45189126 has 12 divisors (see below), whose sum is σ = 97909812. Its totient is φ = 15063036.

The previous prime is 45189107. The next prime is 45189139. The reversal of 45189126 is 62198154.

45189126 is a `hidden beast` number, since 451 + 89 + 126 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1255236 + ... + 1255271.

It is an arithmetic number, because the mean of its divisors is an integer number (8159151).

Almost surely, 2^45189126 is an apocalyptic number.

45189126 is an abundant number, since it is smaller than the sum of its proper divisors (52720686).

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

45189126 is a wasteful number, since it uses less digits than its factorization.

45189126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510515 (or 2510512 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 45189126 is about 6722.2857719677. The cubic root of 45189126 is about 356.1869310328.

Subtracting 45189126 from its reverse (62198154), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 45189126 in words is "forty-five million, one hundred eighty-nine thousand, one hundred twenty-six".