45715822 has 8 divisors (see below), whose sum is σ = 72607536. Its totient is φ = 21513312.

The previous prime is 45715801. The next prime is 45715823. The reversal of 45715822 is 22851754.

It is a happy number.

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

It is a super-2 number, since 2×45715822² = 4179872762271368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 1344583 = 45715822 / (4 + 5 + 7 + 1 + 5 + 8 + 2 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45715823) 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, 672258 + ... + 672325.

It is an arithmetic number, because the mean of its divisors is an integer number (9075942).

Almost surely, 2^45715822 is an apocalyptic number.

45715822 is a deficient number, since it is larger than the sum of its proper divisors (26891714).

45715822 is a wasteful number, since it uses less digits than its factorization.

45715822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344602.

The product of its digits is 22400, while the sum is 34.

The square root of 45715822 is about 6761.3476467343. The cubic root of 45715822 is about 357.5654194265.

The spelling of 45715822 in words is "forty-five million, seven hundred fifteen thousand, eight hundred twenty-two".