151955 has 4 divisors (see below), whose sum is σ = 182352. Its totient is φ = 121560.

The previous prime is 151939. The next prime is 151967. The reversal of 151955 is 559151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 559151 = 19 ⋅29429.

It is not a de Polignac number, because 151955 - 2⁴ = 151939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15191 + ... + 15200.

It is an arithmetic number, because the mean of its divisors is an integer number (45588).

2¹⁵¹⁹⁵⁵ is an apocalyptic number.

151955 is a deficient number, since it is larger than the sum of its proper divisors (30397).

151955 is an equidigital number, since it uses as much as digits as its factorization.

151955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30396.

The product of its digits is 1125, while the sum is 26.

The square root of 151955 is about 389.8140582380. The cubic root of 151955 is about 53.3627658724.

The spelling of 151955 in words is "one hundred fifty-one thousand, nine hundred fifty-five".