45138854 has 4 divisors (see below), whose sum is σ = 67708284. Its totient is φ = 22569426.

The previous prime is 45138817. The next prime is 45138869. The reversal of 45138854 is 45883154.

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

It is a super-2 number, since 2×45138854² = 4075032280866632, which contains 22 as substring.

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, 11284712 + ... + 11284715.

It is an arithmetic number, because the mean of its divisors is an integer number (16927071).

Almost surely, 2^45138854 is an apocalyptic number.

45138854 is a deficient number, since it is larger than the sum of its proper divisors (22569430).

45138854 is a wasteful number, since it uses less digits than its factorization.

45138854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22569429.

The product of its digits is 76800, while the sum is 38.

The square root of 45138854 is about 6718.5455271212. The cubic root of 45138854 is about 356.0547984071.

The spelling of 45138854 in words is "forty-five million, one hundred thirty-eight thousand, eight hundred fifty-four".