45197522 has 8 divisors (see below), whose sum is σ = 68330496. Its totient is φ = 22420692.

The previous prime is 45197519. The next prime is 45197527. The reversal of 45197522 is 22579154.

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

It is not an unprimeable number, because it can be changed into a prime (45197527) 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, 88718 + ... + 89225.

It is an arithmetic number, because the mean of its divisors is an integer number (8541312).

Almost surely, 2^45197522 is an apocalyptic number.

45197522 is a deficient number, since it is larger than the sum of its proper divisors (23132974).

45197522 is a wasteful number, since it uses less digits than its factorization.

45197522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178072.

The product of its digits is 25200, while the sum is 35.

The square root of 45197522 is about 6722.9102329274. The cubic root of 45197522 is about 356.2089891439.

The spelling of 45197522 in words is "forty-five million, one hundred ninety-seven thousand, five hundred twenty-two".