45072942 has 16 divisors (see below), whose sum is σ = 90339840. Its totient is φ = 14991992.

The previous prime is 45072941. The next prime is 45072943. The reversal of 45072942 is 24927054.

It is an interprime number because it is at equal distance from previous prime (45072941) and next prime (45072943).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45072941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4968 + ... + 10715.

It is an arithmetic number, because the mean of its divisors is an integer number (5646240).

Almost surely, 2^45072942 is an apocalyptic number.

45072942 is an abundant number, since it is smaller than the sum of its proper divisors (45266898).

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

45072942 is a wasteful number, since it uses less digits than its factorization.

45072942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16167.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 45072942 is about 6713.6385068009. The cubic root of 45072942 is about 355.8814096012.

Adding to 45072942 its reverse (24927054), we get a palindrome (69999996).

The spelling of 45072942 in words is "forty-five million, seventy-two thousand, nine hundred forty-two".