45190697 has 4 divisors (see below), whose sum is σ = 45248196. Its totient is φ = 45133200.

The previous prime is 45190693. The next prime is 45190741. The reversal of 45190697 is 79609154.

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 25512601 + 19678096 = 5051^2 + 4436^2 .

It is a cyclic number.

It is not a de Polignac number, because 45190697 - 2² = 45190693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45190693) 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, 27554 + ... + 29147.

It is an arithmetic number, because the mean of its divisors is an integer number (11312049).

Almost surely, 2^45190697 is an apocalyptic number.

It is an amenable number.

45190697 is a deficient number, since it is larger than the sum of its proper divisors (57499).

45190697 is an equidigital number, since it uses as much as digits as its factorization.

45190697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57498.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 45190697 is about 6722.4026210872. The cubic root of 45190697 is about 356.1910585979.

The spelling of 45190697 in words is "forty-five million, one hundred ninety thousand, six hundred ninety-seven".