45123520531 has 8 divisors (see below), whose sum is σ = 47429105184. Its totient is φ = 42846576960.

The previous prime is 45123520523. The next prime is 45123520567. The reversal of 45123520531 is 13502532154.

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 45123520531 - 2³ = 45123520523 is a prime.

It is a super-2 number, since 2×45123520531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45123520493 and 45123520502.

It is not an unprimeable number, because it can be changed into a prime (45123520571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7157040 + ... + 7163341.

It is an arithmetic number, because the mean of its divisors is an integer number (5928638148).

Almost surely, 2^45123520531 is an apocalyptic number.

45123520531 is a deficient number, since it is larger than the sum of its proper divisors (2305584653).

45123520531 is a wasteful number, since it uses less digits than its factorization.

45123520531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14320541.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 45123520531 in words is "forty-five billion, one hundred twenty-three million, five hundred twenty thousand, five hundred thirty-one".