151958 has 4 divisors (see below), whose sum is σ = 227940. Its totient is φ = 75978.

The previous prime is 151939. The next prime is 151967. The reversal of 151958 is 859151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 859151 = 257 ⋅3343.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 151958.

It is a congruent number.

It is an unprimeable number.

151958 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37988 + ... + 37991.

It is an arithmetic number, because the mean of its divisors is an integer number (56985).

2¹⁵¹⁹⁵⁸ is an apocalyptic number.

151958 is a deficient number, since it is larger than the sum of its proper divisors (75982).

151958 is an equidigital number, since it uses as much as digits as its factorization.

151958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75981.

The product of its digits is 1800, while the sum is 29.

The square root of 151958 is about 389.8179062075. The cubic root of 151958 is about 53.3631170449.

The spelling of 151958 in words is "one hundred fifty-one thousand, nine hundred fifty-eight".