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145741626553 = 332989437677
BaseRepresentation
bin1000011110111011100…
…0001011110010111001
3111221011222120201200111
42013232320023302321
54341434324022203
6150541444504321
713346420246215
oct2075670136271
9457158521614
10145741626553
1156899392156
12242b46ab0a1
1310988275c63
1470a7dc1945
153bced1e26d
hex21eee0bcb9

145741626553 has 4 divisors (see below), whose sum is σ = 145742397220. Its totient is φ = 145740855888.

The previous prime is 145741626551. The next prime is 145741626659. The reversal of 145741626553 is 355626147541.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 103689152064 + 42052474489 = 322008^2 + 205067^2 .

It is a cyclic number.

It is not a de Polignac number, because 145741626553 - 21 = 145741626551 is a prime.

It is a super-2 number, since 2×1457416265532 (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 = 145741626497 and 145741626506.

It is not an unprimeable number, because it can be changed into a prime (145741626551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114151 + ... + 551827.

It is an arithmetic number, because the mean of its divisors is an integer number (36435599305).

Almost surely, 2145741626553 is an apocalyptic number.

It is an amenable number.

145741626553 is a deficient number, since it is larger than the sum of its proper divisors (770667).

145741626553 is an equidigital number, since it uses as much as digits as its factorization.

145741626553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770666.

The product of its digits is 3024000, while the sum is 49.

The spelling of 145741626553 in words is "one hundred forty-five billion, seven hundred forty-one million, six hundred twenty-six thousand, five hundred fifty-three".

Divisors: 1 332989 437677 145741626553