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145401255145 = 5107271778047
BaseRepresentation
bin1000011101101010010…
…1110001010011101001
3111220022021010001220001
42013122211301103221
54340240210131040
6150444005303001
713335115163566
oct2073245612351
9456267101801
10145401255145
1156734244073
122421a704a61
13109328b1563
147074add86d
153baeed859a
hex21da9714e9

145401255145 has 8 divisors (see below), whose sum is σ = 176112175104. Its totient is φ = 115233891504.

The previous prime is 145401255137. The next prime is 145401255151. The reversal of 145401255145 is 541552104541.

145401255145 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 145401255145 - 23 = 145401255137 is a prime.

It is a super-2 number, since 2×1454012551452 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 135888489 + ... + 135889558.

It is an arithmetic number, because the mean of its divisors is an integer number (22014021888).

Almost surely, 2145401255145 is an apocalyptic number.

It is an amenable number.

145401255145 is a deficient number, since it is larger than the sum of its proper divisors (30710919959).

145401255145 is a wasteful number, since it uses less digits than its factorization.

145401255145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271778159.

The product of its (nonzero) digits is 80000, while the sum is 37.

Adding to 145401255145 its reverse (541552104541), we get a palindrome (686953359686).

The spelling of 145401255145 in words is "one hundred forty-five billion, four hundred one million, two hundred fifty-five thousand, one hundred forty-five".

Divisors: 1 5 107 535 271778047 1358890235 29080251029 145401255145