45197331 has 4 divisors (see below), whose sum is σ = 60263112. Its totient is φ = 30131552.

The previous prime is 45197311. The next prime is 45197351. The reversal of 45197331 is 13379154.

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

It is an interprime number because it is at equal distance from previous prime (45197311) and next prime (45197351).

It is a cyclic number.

It is not a de Polignac number, because 45197331 - 2¹³ = 45189139 is a prime.

It is a super-2 number, since 2×45197331² = 4085597459047122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45197292 and 45197301.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7532886 + ... + 7532891.

It is an arithmetic number, because the mean of its divisors is an integer number (15065778).

Almost surely, 2^45197331 is an apocalyptic number.

45197331 is a deficient number, since it is larger than the sum of its proper divisors (15065781).

45197331 is a wasteful number, since it uses less digits than its factorization.

45197331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15065780.

The product of its digits is 11340, while the sum is 33.

The square root of 45197331 is about 6722.8960277547. The cubic root of 45197331 is about 356.2084873758.

The spelling of 45197331 in words is "forty-five million, one hundred ninety-seven thousand, three hundred thirty-one".