45429942 has 16 divisors (see below), whose sum is σ = 93791232. Its totient is φ = 14654760.

The previous prime is 45429929. The next prime is 45429949. The reversal of 45429942 is 24992454.

It is a self number, because there is not a number n which added to its sum of digits gives 45429942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45429949) 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, 121938 + ... + 122309.

It is an arithmetic number, because the mean of its divisors is an integer number (5861952).

Almost surely, 2^45429942 is an apocalyptic number.

45429942 is an abundant number, since it is smaller than the sum of its proper divisors (48361290).

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

45429942 is a wasteful number, since it uses less digits than its factorization.

45429942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244283.

The product of its digits is 103680, while the sum is 39.

The square root of 45429942 is about 6740.1737366332. The cubic root of 45429942 is about 356.8185254094.

The spelling of 45429942 in words is "forty-five million, four hundred twenty-nine thousand, nine hundred forty-two".