45115258 has 4 divisors (see below), whose sum is σ = 67672890. Its totient is φ = 22557628.

The previous prime is 45115219. The next prime is 45115277. The reversal of 45115258 is 85251154.

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

It can be written as a sum of positive squares in only one way, i.e., 36276529 + 8838729 = 6023^2 + 2973^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11278813 + ... + 11278816.

Almost surely, 2^45115258 is an apocalyptic number.

45115258 is a deficient number, since it is larger than the sum of its proper divisors (22557632).

45115258 is a wasteful number, since it uses less digits than its factorization.

45115258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22557631.

The product of its digits is 8000, while the sum is 31.

The square root of 45115258 is about 6716.7892627356. The cubic root of 45115258 is about 355.9927459280.

The spelling of 45115258 in words is "forty-five million, one hundred fifteen thousand, two hundred fifty-eight".