152142231 has 8 divisors (see below), whose sum is σ = 214789104. Its totient is φ = 95461760.

The previous prime is 152142223. The next prime is 152142233. The reversal of 152142231 is 132241251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152142231 - 2³ = 152142223 is a prime.

It is a super-2 number, since 2×152142231² = 46294516907314722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152142198 and 152142207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152142233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1491540 + ... + 1491641.

It is an arithmetic number, because the mean of its divisors is an integer number (26848638).

Almost surely, 2^152142231 is an apocalyptic number.

152142231 is a deficient number, since it is larger than the sum of its proper divisors (62646873).

152142231 is a wasteful number, since it uses less digits than its factorization.

152142231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983201.

The product of its digits is 480, while the sum is 21.

The square root of 152142231 is about 12334.5948859296. The cubic root of 152142231 is about 533.8467381292.

Adding to 152142231 its reverse (132241251), we get a palindrome (284383482).

The spelling of 152142231 in words is "one hundred fifty-two million, one hundred forty-two thousand, two hundred thirty-one".