152434331 has 4 divisors (see below), whose sum is σ = 174210672. Its totient is φ = 130657992.

The previous prime is 152434327. The next prime is 152434357. The reversal of 152434331 is 133434251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133434251 = 293 ⋅455407.

It is a cyclic number.

It is not a de Polignac number, because 152434331 - 2² = 152434327 is a prime.

It is a super-2 number, since 2×152434331² = 46472450534835122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152434331.

It is not an unprimeable number, because it can be changed into a prime (152434391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10888160 + ... + 10888173.

It is an arithmetic number, because the mean of its divisors is an integer number (43552668).

Almost surely, 2^152434331 is an apocalyptic number.

152434331 is a deficient number, since it is larger than the sum of its proper divisors (21776341).

152434331 is an equidigital number, since it uses as much as digits as its factorization.

152434331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21776340.

The product of its digits is 4320, while the sum is 26.

The square root of 152434331 is about 12346.4298888383. The cubic root of 152434331 is about 534.1881663277.

Adding to 152434331 its reverse (133434251), we get a palindrome (285868582).

The spelling of 152434331 in words is "one hundred fifty-two million, four hundred thirty-four thousand, three hundred thirty-one".