45351728 has 10 divisors (see below), whose sum is σ = 87869004. Its totient is φ = 22675856.

The previous prime is 45351703. The next prime is 45351743. The reversal of 45351728 is 82715354.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1417226 + ... + 1417257.

Almost surely, 2^45351728 is an apocalyptic number.

It is an amenable number.

45351728 is a deficient number, since it is larger than the sum of its proper divisors (42517276).

45351728 is a wasteful number, since it uses less digits than its factorization.

45351728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834491 (or 2834485 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 45351728 is about 6734.3691612504. The cubic root of 45351728 is about 356.6136367815.

The spelling of 45351728 in words is "forty-five million, three hundred fifty-one thousand, seven hundred twenty-eight".