45020542 has 24 divisors (see below), whose sum is σ = 79147728. Its totient is φ = 18814080.

The previous prime is 45020509. The next prime is 45020543. The reversal of 45020542 is 24502054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22578 + ... + 24490.

It is an arithmetic number, because the mean of its divisors is an integer number (3297822).

Almost surely, 2^45020542 is an apocalyptic number.

45020542 is a deficient number, since it is larger than the sum of its proper divisors (34127186).

45020542 is a wasteful number, since it uses less digits than its factorization.

45020542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 45020542 is about 6709.7348680853. The cubic root of 45020542 is about 355.7434449580.

Adding to 45020542 its reverse (24502054), we get a palindrome (69522596).

The spelling of 45020542 in words is "forty-five million, twenty thousand, five hundred forty-two".