152022973 has 6 divisors (see below), whose sum is σ = 156208766. Its totient is φ = 147841272.

The previous prime is 152022961. The next prime is 152022989. The reversal of 152022973 is 379220251.

It can be written as a sum of positive squares in only one way, i.e., 147914244 + 4108729 = 12162^2 + 2027^2 .

It is a de Polignac number, because none of the positive numbers 2^k-152022973 is a prime.

It is a super-2 number, since 2×152022973² = 46221968639517458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152023973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73986 + ... + 76012.

Almost surely, 2^152022973 is an apocalyptic number.

It is an amenable number.

152022973 is a deficient number, since it is larger than the sum of its proper divisors (4185793).

152022973 is an frugal number, since it uses more digits than its factorization.

152022973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091 (or 2064 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 152022973 is about 12329.7596489145. The cubic root of 152022973 is about 533.7072148773.

The spelling of 152022973 in words is "one hundred fifty-two million, twenty-two thousand, nine hundred seventy-three".