45052397 has 8 divisors (see below), whose sum is σ = 51372216. Its totient is φ = 39140352.

The previous prime is 45052391. The next prime is 45052409. The reversal of 45052397 is 79325054.

It can be written as a sum of positive squares in 4 ways, for example, as 148996 + 44903401 = 386^2 + 6701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45052397 - 2²⁰ = 44003821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45052391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101708 + ... + 102149.

It is an arithmetic number, because the mean of its divisors is an integer number (6421527).

Almost surely, 2^45052397 is an apocalyptic number.

It is an amenable number.

45052397 is a deficient number, since it is larger than the sum of its proper divisors (6319819).

45052397 is a wasteful number, since it uses less digits than its factorization.

45052397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203887.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 45052397 is about 6712.1082381022. The cubic root of 45052397 is about 355.8273291527.

The spelling of 45052397 in words is "forty-five million, fifty-two thousand, three hundred ninety-seven".