45243242 has 16 divisors (see below), whose sum is σ = 74621952. Its totient is φ = 20401920.

The previous prime is 45243227. The next prime is 45243269. The reversal of 45243242 is 24234254.

It is a happy number.

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, 5303 + ... + 10890.

It is an arithmetic number, because the mean of its divisors is an integer number (4663872).

Almost surely, 2^45243242 is an apocalyptic number.

45243242 is a deficient number, since it is larger than the sum of its proper divisors (29378710).

45243242 is a wasteful number, since it uses less digits than its factorization.

45243242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16333.

The product of its digits is 7680, while the sum is 26.

The square root of 45243242 is about 6726.3096865964. The cubic root of 45243242 is about 356.3290575751.

Adding to 45243242 its reverse (24234254), we get a palindrome (69477496).

The spelling of 45243242 in words is "forty-five million, two hundred forty-three thousand, two hundred forty-two".