45015722 has 8 divisors (see below), whose sum is σ = 67613700. Its totient is φ = 22477824.

The previous prime is 45015721. The next prime is 45015739. The reversal of 45015722 is 22751054.

It can be written as a sum of positive squares in 2 ways, for example, as 45010681 + 5041 = 6709^2 + 71^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 45015691 and 45015700.

It is not an unprimeable number, because it can be changed into a prime (45015721) 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, 13097 + ... + 16172.

Almost surely, 2^45015722 is an apocalyptic number.

45015722 is a deficient number, since it is larger than the sum of its proper divisors (22597978).

45015722 is a wasteful number, since it uses less digits than its factorization.

45015722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30040.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 45015722 is about 6709.3756788542. The cubic root of 45015722 is about 355.7307489418.

Adding to 45015722 its reverse (22751054), we get a palindrome (67766776).

The spelling of 45015722 in words is "forty-five million, fifteen thousand, seven hundred twenty-two".