152142531 has 8 divisors (see below), whose sum is σ = 202927104. Its totient is φ = 101393160.

The previous prime is 152142521. The next prime is 152142541. The reversal of 152142531 is 135241251.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (152142521) and next prime (152142541).

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

It is not a de Polignac number, because 152142531 - 2⁵ = 152142499 is a prime.

It is a super-2 number, since 2×152142531² = 46294699478171922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (152142521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3910 + ... + 17876.

It is an arithmetic number, because the mean of its divisors is an integer number (25365888).

Almost surely, 2^152142531 is an apocalyptic number.

152142531 is a deficient number, since it is larger than the sum of its proper divisors (50784573).

152142531 is a wasteful number, since it uses less digits than its factorization.

152142531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17601.

The product of its digits is 1200, while the sum is 24.

The square root of 152142531 is about 12334.6070468418. The cubic root of 152142531 is about 533.8470890156.

Adding to 152142531 its reverse (135241251), we get a palindrome (287383782).

The spelling of 152142531 in words is "one hundred fifty-two million, one hundred forty-two thousand, five hundred thirty-one".