152861 has 4 divisors (see below), whose sum is σ = 157824. Its totient is φ = 147900.

The previous prime is 152857. The next prime is 152879. The reversal of 152861 is 168251.

152861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 168251 = 311 ⋅541.

It is a cyclic number.

It is not a de Polignac number, because 152861 - 2² = 152857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152821) 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, 2435 + ... + 2496.

It is an arithmetic number, because the mean of its divisors is an integer number (39456).

2¹⁵²⁸⁶¹ is an apocalyptic number.

It is an amenable number.

152861 is a deficient number, since it is larger than the sum of its proper divisors (4963).

152861 is an equidigital number, since it uses as much as digits as its factorization.

152861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962.

The product of its digits is 480, while the sum is 23.

The square root of 152861 is about 390.9744237159. The cubic root of 152861 is about 53.4686105792.

The spelling of 152861 in words is "one hundred fifty-two thousand, eight hundred sixty-one".