153881 has 16 divisors (see below), whose sum is σ = 201600. Its totient is φ = 114048.

The previous prime is 153877. The next prime is 153887. The reversal of 153881 is 188351.

It is a cyclic number.

It is not a de Polignac number, because 153881 - 2² = 153877 is a prime.

It is a super-2 number, since 2×153881² = 47358724322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 153881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1685 + ... + 1773.

It is an arithmetic number, because the mean of its divisors is an integer number (12600).

2¹⁵³⁸⁸¹ is an apocalyptic number.

It is an amenable number.

153881 is a deficient number, since it is larger than the sum of its proper divisors (47719).

153881 is a wasteful number, since it uses less digits than its factorization.

153881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128.

The product of its digits is 960, while the sum is 26.

The square root of 153881 is about 392.2766880660. The cubic root of 153881 is about 53.5872742121.

The spelling of 153881 in words is "one hundred fifty-three thousand, eight hundred eighty-one".