45121550 has 24 divisors (see below), whose sum is σ = 85514616. Its totient is φ = 17707040.

The previous prime is 45121547. The next prime is 45121567. The reversal of 45121550 is 5512154.

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 11 ways as a sum of consecutive naturals, for example, 5864 + ... + 11163.

It is an arithmetic number, because the mean of its divisors is an integer number (3563109).

Almost surely, 2^45121550 is an apocalyptic number.

45121550 is a deficient number, since it is larger than the sum of its proper divisors (40393066).

45121550 is a wasteful number, since it uses less digits than its factorization.

45121550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17092 (or 17087 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 45121550 is about 6717.2576249538. The cubic root of 45121550 is about 356.0092946696.

The spelling of 45121550 in words is "forty-five million, one hundred twenty-one thousand, five hundred fifty".