45405042 has 16 divisors (see below), whose sum is σ = 90886752. Its totient is φ = 15122240.

The previous prime is 45405023. The next prime is 45405071. The reversal of 45405042 is 24050454.

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, 7018 + ... + 11834.

It is an arithmetic number, because the mean of its divisors is an integer number (5680422).

Almost surely, 2^45405042 is an apocalyptic number.

45405042 is an abundant number, since it is smaller than the sum of its proper divisors (45481710).

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

45405042 is a wasteful number, since it uses less digits than its factorization.

45405042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6393.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 45405042 is about 6738.3263500665. The cubic root of 45405042 is about 356.7533231468.

Adding to 45405042 its reverse (24050454), we get a palindrome (69455496).

The spelling of 45405042 in words is "forty-five million, four hundred five thousand, forty-two".