150722945 has 4 divisors (see below), whose sum is σ = 180867540. Its totient is φ = 120578352.

The previous prime is 150722939. The next prime is 150723017. The reversal of 150722945 is 549227051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549227051 = 23 ⋅23879437.

It can be written as a sum of positive squares in 2 ways, for example, as 119093569 + 31629376 = 10913^2 + 5624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150722945 is a prime.

It is a super-2 number, since 2×150722945² = 45434812298946050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15072290 + ... + 15072299.

It is an arithmetic number, because the mean of its divisors is an integer number (45216885).

Almost surely, 2^150722945 is an apocalyptic number.

It is an amenable number.

150722945 is a deficient number, since it is larger than the sum of its proper divisors (30144595).

150722945 is an equidigital number, since it uses as much as digits as its factorization.

150722945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30144594.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 150722945 is about 12276.9273435986. The cubic root of 150722945 is about 532.1815210088.

Adding to 150722945 its reverse (549227051), we get a palindrome (699949996).

The spelling of 150722945 in words is "one hundred fifty million, seven hundred twenty-two thousand, nine hundred forty-five".