45977132 has 6 divisors (see below), whose sum is σ = 80459988. Its totient is φ = 22988564.

The previous prime is 45977117. The next prime is 45977137. The reversal of 45977132 is 23177954.

It is a super-2 number, since 2×45977132² = 4227793333890848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45977137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5747138 + ... + 5747145.

It is an arithmetic number, because the mean of its divisors is an integer number (13409998).

Almost surely, 2^45977132 is an apocalyptic number.

It is an amenable number.

45977132 is a deficient number, since it is larger than the sum of its proper divisors (34482856).

45977132 is a wasteful number, since it uses less digits than its factorization.

45977132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11494287 (or 11494285 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 45977132 is about 6780.6439222245. The cubic root of 45977132 is about 358.2454025217.

The spelling of 45977132 in words is "forty-five million, nine hundred seventy-seven thousand, one hundred thirty-two".