45138126 has 16 divisors (see below), whose sum is σ = 98483328. Its totient is φ = 13678200.

The previous prime is 45138097. The next prime is 45138131. The reversal of 45138126 is 62183154.

It is a junction number, because it is equal to n+sod(n) for n = 45138093 and 45138102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341890 + ... + 342021.

It is an arithmetic number, because the mean of its divisors is an integer number (6155208).

Almost surely, 2^45138126 is an apocalyptic number.

45138126 is an abundant number, since it is smaller than the sum of its proper divisors (53345202).

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

45138126 is a wasteful number, since it uses less digits than its factorization.

45138126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683927.

The product of its digits is 5760, while the sum is 30.

The square root of 45138126 is about 6718.4913485097. The cubic root of 45138126 is about 356.0528842448.

The spelling of 45138126 in words is "forty-five million, one hundred thirty-eight thousand, one hundred twenty-six".