152223449 has 6 divisors (see below), whose sum is σ = 177076314. Its totient is φ = 130477200.

The previous prime is 152223433. The next prime is 152223451. The reversal of 152223449 is 944322251.

It can be written as a sum of positive squares in only one way, i.e., 129231424 + 22992025 = 11368^2 + 4795^2 .

It is not a de Polignac number, because 152223449 - 2⁴ = 152223433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152223419) 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, 1553252 + ... + 1553349.

It is an arithmetic number, because the mean of its divisors is an integer number (29512719).

Almost surely, 2^152223449 is an apocalyptic number.

It is an amenable number.

152223449 is a deficient number, since it is larger than the sum of its proper divisors (24852865).

152223449 is an equidigital number, since it uses as much as digits as its factorization.

152223449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106615 (or 3106608 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 152223449 is about 12337.8867315274. The cubic root of 152223449 is about 533.9417155967.

The spelling of 152223449 in words is "one hundred fifty-two million, two hundred twenty-three thousand, four hundred forty-nine".