45577156521 has 32 divisors (see below), whose sum is σ = 66179352960. Its totient is φ = 27732916224.

The previous prime is 45577156487. The next prime is 45577156549. The reversal of 45577156521 is 12565177554.

It is not a de Polignac number, because 45577156521 - 2¹⁰ = 45577155497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45577166521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4644406 + ... + 4654208.

It is an arithmetic number, because the mean of its divisors is an integer number (2068104780).

Almost surely, 2^45577156521 is an apocalyptic number.

It is an amenable number.

45577156521 is a deficient number, since it is larger than the sum of its proper divisors (20602196439).

45577156521 is a wasteful number, since it uses less digits than its factorization.

45577156521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11145.

The product of its digits is 1470000, while the sum is 48.

The spelling of 45577156521 in words is "forty-five billion, five hundred seventy-seven million, one hundred fifty-six thousand, five hundred twenty-one".