45253668 has 96 divisors (see below), whose sum is σ = 117411840. Its totient is φ = 13512960.

The previous prime is 45253667. The next prime is 45253693. The reversal of 45253668 is 86635254.

It is not an unprimeable number, because it can be changed into a prime (45253661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439305 + ... + 439407.

It is an arithmetic number, because the mean of its divisors is an integer number (1223040).

Almost surely, 2^45253668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45253668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58705920).

45253668 is an abundant number, since it is smaller than the sum of its proper divisors (72158172).

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

45253668 is a wasteful number, since it uses less digits than its factorization.

45253668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 215 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 45253668 is about 6727.0846583048. The cubic root of 45253668 is about 356.3564266823.

The spelling of 45253668 in words is "forty-five million, two hundred fifty-three thousand, six hundred sixty-eight".