45072989895 has 32 divisors (see below), whose sum is σ = 73849070592. Its totient is φ = 23464248192.

The previous prime is 45072989869. The next prime is 45072989911. The reversal of 45072989895 is 59898927054.

It is a happy number.

It is not a de Polignac number, because 45072989895 - 2⁹ = 45072989383 is a prime.

It is a super-2 number, since 2×45072989895² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177264 + ... + 348666.

It is an arithmetic number, because the mean of its divisors is an integer number (2307783456).

Almost surely, 2^45072989895 is an apocalyptic number.

45072989895 is a deficient number, since it is larger than the sum of its proper divisors (28776080697).

45072989895 is a wasteful number, since it uses less digits than its factorization.

45072989895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171831.

The product of its (nonzero) digits is 65318400, while the sum is 66.

The spelling of 45072989895 in words is "forty-five billion, seventy-two million, nine hundred eighty-nine thousand, eight hundred ninety-five".