45450279 has 24 divisors (see below), whose sum is σ = 77619360. Its totient is φ = 25075008.

The previous prime is 45450259. The next prime is 45450281. The reversal of 45450279 is 97205454.

It is not a de Polignac number, because 45450279 - 2⁷ = 45450151 is a prime.

It is a super-2 number, since 2×45450279² = 4131455722355682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45450259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10612 + ... + 14265.

It is an arithmetic number, because the mean of its divisors is an integer number (3234140).

Almost surely, 2^45450279 is an apocalyptic number.

45450279 is a deficient number, since it is larger than the sum of its proper divisors (32169081).

45450279 is a wasteful number, since it uses less digits than its factorization.

45450279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24919 (or 24916 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 45450279 is about 6741.6822084699. The cubic root of 45450279 is about 356.8717614873.

It can be divided in two parts, 454502 and 79, that added together give a triangular number (454581 = T₉₅₃).

The spelling of 45450279 in words is "forty-five million, four hundred fifty thousand, two hundred seventy-nine".