158147252 has 12 divisors (see below), whose sum is σ = 277788420. Its totient is φ = 78779136.

The previous prime is 158147251. The next prime is 158147267. The reversal of 158147252 is 252741851.

It can be written as a sum of positive squares in 2 ways, for example, as 56460196 + 101687056 = 7514^2 + 10084^2 .

It is a super-3 number, since 3×158147252³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158147251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72413 + ... + 74564.

It is an arithmetic number, because the mean of its divisors is an integer number (23149035).

Almost surely, 2^158147252 is an apocalyptic number.

It is an amenable number.

158147252 is a deficient number, since it is larger than the sum of its proper divisors (119641168).

158147252 is a wasteful number, since it uses less digits than its factorization.

158147252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147250 (or 147248 counting only the distinct ones).

The product of its digits is 22400, while the sum is 35.

The square root of 158147252 is about 12575.6610959424. The cubic root of 158147252 is about 540.7799109997.

The spelling of 158147252 in words is "one hundred fifty-eight million, one hundred forty-seven thousand, two hundred fifty-two".