45297738 has 32 divisors (see below), whose sum is σ = 100886400. Its totient is φ = 15065568.

The previous prime is 45297713. The next prime is 45297779. The reversal of 45297738 is 83779254.

It is a junction number, because it is equal to n+sod(n) for n = 45297693 and 45297702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39558 + ... + 40686.

It is an arithmetic number, because the mean of its divisors is an integer number (3152700).

Almost surely, 2^45297738 is an apocalyptic number.

45297738 is an abundant number, since it is smaller than the sum of its proper divisors (55588662).

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

45297738 is a wasteful number, since it uses less digits than its factorization.

45297738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883 (or 1877 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 45297738 is about 6730.3594257662. The cubic root of 45297738 is about 356.4720676401.

The spelling of 45297738 in words is "forty-five million, two hundred ninety-seven thousand, seven hundred thirty-eight".