45072159538 has 64 divisors (see below), whose sum is σ = 80273276928. Its totient is φ = 18578185920.

The previous prime is 45072159529. The next prime is 45072159541. The reversal of 45072159538 is 83595127054.

It is a junction number, because it is equal to n+sod(n) for n = 45072159491 and 45072159500.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 20458345 + ... + 20460547.

It is an arithmetic number, because the mean of its divisors is an integer number (1254269952).

Almost surely, 2^45072159538 is an apocalyptic number.

45072159538 is a deficient number, since it is larger than the sum of its proper divisors (35201117390).

45072159538 is a wasteful number, since it uses less digits than its factorization.

45072159538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 45072159538 in words is "forty-five billion, seventy-two million, one hundred fifty-nine thousand, five hundred thirty-eight".