45987328 has 20 divisors (see below), whose sum is σ = 91885860. Its totient is φ = 22993408.

The previous prime is 45987317. The next prime is 45987343. The reversal of 45987328 is 82378954.

It is a super-2 number, since 2×45987328² = 4229668673159168, 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, 44398 + ... + 45421.

It is an arithmetic number, because the mean of its divisors is an integer number (4594293).

Almost surely, 2^45987328 is an apocalyptic number.

It is an amenable number.

45987328 is a deficient number, since it is larger than the sum of its proper divisors (45898532).

45987328 is an frugal number, since it uses more digits than its factorization.

45987328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89837 (or 89821 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 45987328 is about 6781.3957265448. The cubic root of 45987328 is about 358.2718823534.

The spelling of 45987328 in words is "forty-five million, nine hundred eighty-seven thousand, three hundred twenty-eight".