45122132 has 12 divisors (see below), whose sum is σ = 86142336. Its totient is φ = 20510040.

The previous prime is 45122123. The next prime is 45122153. The reversal of 45122132 is 23122154.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 512708 + ... + 512795.

It is an arithmetic number, because the mean of its divisors is an integer number (7178528).

Almost surely, 2^45122132 is an apocalyptic number.

It is an amenable number.

45122132 is a deficient number, since it is larger than the sum of its proper divisors (41020204).

45122132 is a wasteful number, since it uses less digits than its factorization.

45122132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025518 (or 1025516 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 45122132 is about 6717.3009460646. The cubic root of 45122132 is about 356.0108253241.

Adding to 45122132 its reverse (23122154), we get a palindrome (68244286).

It can be divided in two parts, 45122 and 132, that added together give a palindrome (45254).

The spelling of 45122132 in words is "forty-five million, one hundred twenty-two thousand, one hundred thirty-two".