45438268 has 12 divisors (see below), whose sum is σ = 79639840. Its totient is φ = 22684032.

The previous prime is 45438241. The next prime is 45438269. The reversal of 45438268 is 86283454.

It is a self number, because there is not a number n which added to its sum of digits gives 45438268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45438269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5748 + ... + 11131.

Almost surely, 2^45438268 is an apocalyptic number.

It is an amenable number.

45438268 is a deficient number, since it is larger than the sum of its proper divisors (34201572).

45438268 is a wasteful number, since it uses less digits than its factorization.

45438268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17556 (or 17554 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The square root of 45438268 is about 6740.7913482024. The cubic root of 45438268 is about 356.8403222643.

The spelling of 45438268 in words is "forty-five million, four hundred thirty-eight thousand, two hundred sixty-eight".