45197316 has 36 divisors (see below), whose sum is σ = 114846732. Its totient is φ = 14986944.

The previous prime is 45197311. The next prime is 45197351. The reversal of 45197316 is 61379154.

It can be written as a sum of positive squares in 2 ways, for example, as 41602500 + 3594816 = 6450^2 + 1896^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45197311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3906 + ... + 10278.

It is an arithmetic number, because the mean of its divisors is an integer number (3190187).

Almost surely, 2^45197316 is an apocalyptic number.

It is an amenable number.

45197316 is an abundant number, since it is smaller than the sum of its proper divisors (69649416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45197316 is a wasteful number, since it uses less digits than its factorization.

45197316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6580 (or 6575 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 45197316 is about 6722.8949121640. The cubic root of 45197316 is about 356.2084479699.

The spelling of 45197316 in words is "forty-five million, one hundred ninety-seven thousand, three hundred sixteen".