45920297 has 4 divisors (see below), whose sum is σ = 46158420. Its totient is φ = 45682176.

The previous prime is 45920291. The next prime is 45920299. The reversal of 45920297 is 79202954.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29767936 + 16152361 = 5456^2 + 4019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45920297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45920297.

It is not an unprimeable number, because it can be changed into a prime (45920291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118772 + ... + 119157.

It is an arithmetic number, because the mean of its divisors is an integer number (11539605).

Almost surely, 2^45920297 is an apocalyptic number.

It is an amenable number.

45920297 is a deficient number, since it is larger than the sum of its proper divisors (238123).

45920297 is a wasteful number, since it uses less digits than its factorization.

45920297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238122.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 45920297 is about 6776.4516525981. The cubic root of 45920297 is about 358.0977256797.

The spelling of 45920297 in words is "forty-five million, nine hundred twenty thousand, two hundred ninety-seven".