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145412633231 = 4113127073661
BaseRepresentation
bin1000011101101101000…
…1001011001010001111
3111220100001112010200122
42013123101023022033
54340301113230411
6150445053215155
713335313663055
oct2073321131217
9456301463618
10145412633231
115673a705648
12242224914bb
1310935066458
1470764221d5
153bb0ed49db
hex21db44b28f

145412633231 has 8 divisors (see below), whose sum is σ = 150096382128. Its totient is φ = 140783032000.

The previous prime is 145412633183. The next prime is 145412633243. The reversal of 145412633231 is 132336214541.

145412633231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145412633231 - 234 = 128232764047 is a prime.

It is a super-2 number, since 2×1454126332312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145412633191 and 145412633200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145412653231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13531460 + ... + 13542201.

It is an arithmetic number, because the mean of its divisors is an integer number (18762047766).

Almost surely, 2145412633231 is an apocalyptic number.

145412633231 is a deficient number, since it is larger than the sum of its proper divisors (4683748897).

145412633231 is a wasteful number, since it uses less digits than its factorization.

145412633231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27073833.

The product of its digits is 51840, while the sum is 35.

Adding to 145412633231 its reverse (132336214541), we get a palindrome (277748847772).

The spelling of 145412633231 in words is "one hundred forty-five billion, four hundred twelve million, six hundred thirty-three thousand, two hundred thirty-one".

Divisors: 1 41 131 5371 27073661 1110020101 3546649591 145412633231