45252475729 has 12 divisors (see below), whose sum is σ = 48090141484. Its totient is φ = 42573579264.

The previous prime is 45252475691. The next prime is 45252475739. The reversal of 45252475729 is 92757425254.

It can be written as a sum of positive squares in 6 ways, for example, as 27229950225 + 18022525504 = 165015^2 + 134248^2 .

It is a de Polignac number, because none of the positive numbers 2^k-45252475729 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (45252475739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 726397 + ... + 786229.

Almost surely, 2^45252475729 is an apocalyptic number.

It is an amenable number.

45252475729 is a deficient number, since it is larger than the sum of its proper divisors (2837665755).

45252475729 is a wasteful number, since it uses less digits than its factorization.

45252475729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62484 (or 62467 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 52.

The spelling of 45252475729 in words is "forty-five billion, two hundred fifty-two million, four hundred seventy-five thousand, seven hundred twenty-nine".