45054278 has 16 divisors (see below), whose sum is σ = 68571360. Its totient is φ = 22199616.

The previous prime is 45054277. The next prime is 45054283. The reversal of 45054278 is 87245054.

It is a super-2 number, since 2×45054278² = 4059775932202568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45054277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50351 + ... + 51237.

It is an arithmetic number, because the mean of its divisors is an integer number (4285710).

Almost surely, 2^45054278 is an apocalyptic number.

45054278 is a deficient number, since it is larger than the sum of its proper divisors (23517082).

45054278 is a wasteful number, since it uses less digits than its factorization.

45054278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 45054278 is about 6712.2483565494. The cubic root of 45054278 is about 355.8322811785.

The spelling of 45054278 in words is "forty-five million, fifty-four thousand, two hundred seventy-eight".