45197330 has 8 divisors (see below), whose sum is σ = 81355212. Its totient is φ = 18078928.

The previous prime is 45197311. The next prime is 45197351. The reversal of 45197330 is 3379154.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44609041 + 588289 = 6679^2 + 767^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2259857 + ... + 2259876.

Almost surely, 2^45197330 is an apocalyptic number.

45197330 is a deficient number, since it is larger than the sum of its proper divisors (36157882).

45197330 is a wasteful number, since it uses less digits than its factorization.

45197330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519740.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 45197330 is about 6722.8959533820. The cubic root of 45197330 is about 356.2084847488.

The spelling of 45197330 in words is "forty-five million, one hundred ninety-seven thousand, three hundred thirty".