45511146 has 20 divisors (see below), whose sum is σ = 101979042. Its totient is φ = 15170328.

The previous prime is 45511133. The next prime is 45511171. The reversal of 45511146 is 64111554.

45511146 is a `hidden beast` number, since 4 + 5 + 511 + 146 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42107121 + 3404025 = 6489^2 + 1845^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 140305 + ... + 140628.

Almost surely, 2^45511146 is an apocalyptic number.

45511146 is an abundant number, since it is smaller than the sum of its proper divisors (56467896).

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

45511146 is a wasteful number, since it uses less digits than its factorization.

45511146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280947 (or 280938 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 45511146 is about 6746.1949275128. The cubic root of 45511146 is about 357.0309979440.

The spelling of 45511146 in words is "forty-five million, five hundred eleven thousand, one hundred forty-six".