153081 has 12 divisors (see below), whose sum is σ = 225108. Its totient is φ = 100224.

The previous prime is 153077. The next prime is 153089. The reversal of 153081 is 180351.

It is a happy number.

153081 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 2 ways, for example, as 57600 + 95481 = 240^2 + 309^2 .

It is not a de Polignac number, because 153081 - 2² = 153077 is a prime.

It is a super-2 number, since 2×153081² = 46867585122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153089) 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 11 ways as a sum of consecutive naturals, for example, 541 + ... + 773.

It is an arithmetic number, because the mean of its divisors is an integer number (18759).

2¹⁵³⁰⁸¹ is an apocalyptic number.

It is an amenable number.

153081 is a deficient number, since it is larger than the sum of its proper divisors (72027).

153081 is a wasteful number, since it uses less digits than its factorization.

153081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 153081 is about 391.2556708854. The cubic root of 153081 is about 53.4942492436.

The spelling of 153081 in words is "one hundred fifty-three thousand, eighty-one".