45152122 has 4 divisors (see below), whose sum is σ = 67728186. Its totient is φ = 22576060.

The previous prime is 45152117. The next prime is 45152137. The reversal of 45152122 is 22125154.

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

It can be written as a sum of positive squares in only one way, i.e., 43046721 + 2105401 = 6561^2 + 1451^2 .

It is a super-2 number, since 2×45152122² = 4077428242205768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45152093 and 45152102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11288029 + ... + 11288032.

Almost surely, 2^45152122 is an apocalyptic number.

45152122 is a deficient number, since it is larger than the sum of its proper divisors (22576064).

45152122 is a wasteful number, since it uses less digits than its factorization.

45152122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22576063.

The product of its digits is 800, while the sum is 22.

The square root of 45152122 is about 6719.5328706689. The cubic root of 45152122 is about 356.0896809370.

Adding to 45152122 its reverse (22125154), we get a palindrome (67277276).

The spelling of 45152122 in words is "forty-five million, one hundred fifty-two thousand, one hundred twenty-two".