45291042 has 32 divisors (see below), whose sum is σ = 102072960. Its totient is φ = 14883120.

The previous prime is 45290963. The next prime is 45291047. The reversal of 45291042 is 24019254.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 45290997 and 45291015.

It is not an unprimeable number, because it can be changed into a prime (45291047) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2073 + ... + 9740.

It is an arithmetic number, because the mean of its divisors is an integer number (3189780).

Almost surely, 2^45291042 is an apocalyptic number.

45291042 is an abundant number, since it is smaller than the sum of its proper divisors (56781918).

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

45291042 is a wasteful number, since it uses less digits than its factorization.

45291042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11895 (or 11889 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 45291042 is about 6729.8619599513. The cubic root of 45291042 is about 356.4545019757.

The spelling of 45291042 in words is "forty-five million, two hundred ninety-one thousand, forty-two".