45234278 has 4 divisors (see below), whose sum is σ = 67851420. Its totient is φ = 22617138.

The previous prime is 45234251. The next prime is 45234283. The reversal of 45234278 is 87243254.

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

It is a super-2 number, since 2×45234278² = 4092279812362568, 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, 11308568 + ... + 11308571.

It is an arithmetic number, because the mean of its divisors is an integer number (16962855).

Almost surely, 2^45234278 is an apocalyptic number.

45234278 is a deficient number, since it is larger than the sum of its proper divisors (22617142).

45234278 is a wasteful number, since it uses less digits than its factorization.

45234278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22617141.

The product of its digits is 53760, while the sum is 35.

The square root of 45234278 is about 6725.6433149551. The cubic root of 45234278 is about 356.3055229763.

The spelling of 45234278 in words is "forty-five million, two hundred thirty-four thousand, two hundred seventy-eight".