45537186 has 32 divisors (see below), whose sum is σ = 101511360. Its totient is φ = 13533696.

The previous prime is 45537161. The next prime is 45537197. The reversal of 45537186 is 68173554.

Added to its reverse (68173554) it gives a triangular number (113710740 = T₁₅₀₈₀).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9811 + ... + 13686.

It is an arithmetic number, because the mean of its divisors is an integer number (3172230).

Almost surely, 2^45537186 is an apocalyptic number.

45537186 is an abundant number, since it is smaller than the sum of its proper divisors (55974174).

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

45537186 is a wasteful number, since it uses less digits than its factorization.

45537186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23538.

The product of its digits is 100800, while the sum is 39.

The square root of 45537186 is about 6748.1246283690. The cubic root of 45537186 is about 357.0990788091.

Adding to 45537186 its reverse (68173554), we get a triangular number (113710740 = T₁₅₀₈₀).

The spelling of 45537186 in words is "forty-five million, five hundred thirty-seven thousand, one hundred eighty-six".