45321942 has 16 divisors (see below), whose sum is σ = 90797760. Its totient is φ = 15081672.

The previous prime is 45321919. The next prime is 45321953. The reversal of 45321942 is 24912354.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2388 + ... + 9815.

It is an arithmetic number, because the mean of its divisors is an integer number (5674860).

Almost surely, 2^45321942 is an apocalyptic number.

45321942 is an abundant number, since it is smaller than the sum of its proper divisors (45475818).

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

45321942 is a wasteful number, since it uses less digits than its factorization.

45321942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12827.

The product of its digits is 8640, while the sum is 30.

The square root of 45321942 is about 6732.1573065400. The cubic root of 45321942 is about 356.5355477314.

The spelling of 45321942 in words is "forty-five million, three hundred twenty-one thousand, nine hundred forty-two".