45135422520 has 64 divisors (see below), whose sum is σ = 140075460000. Its totient is φ = 11621073408.

The previous prime is 45135422513. The next prime is 45135422537. The reversal of 45135422520 is 2522453154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6481495 + ... + 6488454.

Almost surely, 2^45135422520 is an apocalyptic number.

45135422520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45135422520 is an abundant number, since it is smaller than the sum of its proper divisors (94940037480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45135422520 is a wasteful number, since it uses less digits than its factorization.

45135422520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12969992 (or 12969988 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 45135422520 its reverse (2522453154), we get a palindrome (47657875674).

The spelling of 45135422520 in words is "forty-five billion, one hundred thirty-five million, four hundred twenty-two thousand, five hundred twenty".