45477132 has 12 divisors (see below), whose sum is σ = 106113336. Its totient is φ = 15159040.

The previous prime is 45477079. The next prime is 45477151. The reversal of 45477132 is 23177454.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 45477093 and 45477102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1894869 + ... + 1894892.

It is an arithmetic number, because the mean of its divisors is an integer number (8842778).

Almost surely, 2^45477132 is an apocalyptic number.

It is an amenable number.

45477132 is an abundant number, since it is smaller than the sum of its proper divisors (60636204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45477132 is a wasteful number, since it uses less digits than its factorization.

45477132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789768 (or 3789766 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 45477132 is about 6743.6734796400. The cubic root of 45477132 is about 356.9420301483.

The spelling of 45477132 in words is "forty-five million, four hundred seventy-seven thousand, one hundred thirty-two".