152179189 has 24 divisors (see below), whose sum is σ = 172245528. Its totient is φ = 133954560.

The previous prime is 152179171. The next prime is 152179243. The reversal of 152179189 is 981971251.

It can be written as a sum of positive squares in 4 ways, for example, as 8898289 + 143280900 = 2983^2 + 11970^2 .

It is not a de Polignac number, because 152179189 - 2⁷ = 152179061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152179289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 840679 + ... + 840859.

It is an arithmetic number, because the mean of its divisors is an integer number (7176897).

Almost surely, 2^152179189 is an apocalyptic number.

152179189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

152179189 is a deficient number, since it is larger than the sum of its proper divisors (20066339).

152179189 is a wasteful number, since it uses less digits than its factorization.

152179189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 354 counting only the distinct ones).

The product of its digits is 45360, while the sum is 43.

The square root of 152179189 is about 12336.0929390144. The cubic root of 152179189 is about 533.8899615223.

The spelling of 152179189 in words is "one hundred fifty-two million, one hundred seventy-nine thousand, one hundred eighty-nine".