45155038 has 4 divisors (see below), whose sum is σ = 67732560. Its totient is φ = 22577518.

The previous prime is 45155021. The next prime is 45155041. The reversal of 45155038 is 83055154.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11288758 + ... + 11288761.

It is an arithmetic number, because the mean of its divisors is an integer number (16933140).

Almost surely, 2^45155038 is an apocalyptic number.

45155038 is a deficient number, since it is larger than the sum of its proper divisors (22577522).

45155038 is a wasteful number, since it uses less digits than its factorization.

45155038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22577521.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 45155038 is about 6719.7498465345. The cubic root of 45155038 is about 356.0973463956.

The spelling of 45155038 in words is "forty-five million, one hundred fifty-five thousand, thirty-eight".