45046042 has 8 divisors (see below), whose sum is σ = 67660596. Its totient is φ = 22492512.

The previous prime is 45045967. The next prime is 45046049. The reversal of 45046042 is 24064054.

It can be written as a sum of positive squares in 2 ways, for example, as 38950081 + 6095961 = 6241^2 + 2469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 45045998 and 45046016.

It is not an unprimeable number, because it can be changed into a prime (45046049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13363 + ... + 16390.

Almost surely, 2^45046042 is an apocalyptic number.

45046042 is a deficient number, since it is larger than the sum of its proper divisors (22614554).

45046042 is a wasteful number, since it uses less digits than its factorization.

45046042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30512.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 45046042 is about 6711.6348232007. The cubic root of 45046042 is about 355.8105976049.

The spelling of 45046042 in words is "forty-five million, forty-six thousand, forty-two".