153239 has 4 divisors (see below), whose sum is σ = 154056. Its totient is φ = 152424.

The previous prime is 153191. The next prime is 153247. The reversal of 153239 is 932351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 153239 - 2¹² = 149143 is a prime.

It is a super-2 number, since 2×153239² = 46964382242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153259) 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, 32 + ... + 554.

It is an arithmetic number, because the mean of its divisors is an integer number (38514).

2¹⁵³²³⁹ is an apocalyptic number.

153239 is a deficient number, since it is larger than the sum of its proper divisors (817).

153239 is an equidigital number, since it uses as much as digits as its factorization.

153239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816.

The product of its digits is 810, while the sum is 23.

The square root of 153239 is about 391.4575328181. The cubic root of 153239 is about 53.5126473142.

The spelling of 153239 in words is "one hundred fifty-three thousand, two hundred thirty-nine".