45243768 has 32 divisors (see below), whose sum is σ = 115246800. Its totient is φ = 14796288.

The previous prime is 45243767. The next prime is 45243811. The reversal of 45243768 is 86734254.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45243763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16513 + ... + 19056.

Almost surely, 2^45243768 is an apocalyptic number.

It is an amenable number.

45243768 is an abundant number, since it is smaller than the sum of its proper divisors (70003032).

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

45243768 is a wasteful number, since it uses less digits than its factorization.

45243768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35631 (or 35627 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 45243768 is about 6726.3487866747. The cubic root of 45243768 is about 356.3304384691.

The spelling of 45243768 in words is "forty-five million, two hundred forty-three thousand, seven hundred sixty-eight".