45257610321 has 24 divisors (see below), whose sum is σ = 81502883904. Its totient is φ = 23510446560.

The previous prime is 45257610317. The next prime is 45257610331. The reversal of 45257610321 is 12301675254.

45257610321 is a `hidden beast` number, since 4 + 5 + 2 + 5 + 7 + 610 + 32 + 1 = 666.

It is not a de Polignac number, because 45257610321 - 2² = 45257610317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45257610331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32652706 + ... + 32654091.

It is an arithmetic number, because the mean of its divisors is an integer number (3395953496).

Almost surely, 2^45257610321 is an apocalyptic number.

It is an amenable number.

45257610321 is a deficient number, since it is larger than the sum of its proper divisors (36245273583).

45257610321 is a wasteful number, since it uses less digits than its factorization.

45257610321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65306821 (or 65306818 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 45257610321 in words is "forty-five billion, two hundred fifty-seven million, six hundred ten thousand, three hundred twenty-one".