151889 has 4 divisors (see below), whose sum is σ = 154224. Its totient is φ = 149556.

The previous prime is 151883. The next prime is 151897. The reversal of 151889 is 988151.

151889 = T₃₁ + T₃₂ + ... + T₉₇.

It is a happy number.

151889 is nontrivially palindromic in base 14.

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: 988151 = 139 ⋅7109.

It is a cyclic number.

It is not a de Polignac number, because 151889 - 2¹² = 147793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067 + ... + 1200.

It is an arithmetic number, because the mean of its divisors is an integer number (38556).

2¹⁵¹⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

151889 is a deficient number, since it is larger than the sum of its proper divisors (2335).

151889 is an equidigital number, since it uses as much as digits as its factorization.

151889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334.

The product of its digits is 2880, while the sum is 32.

The square root of 151889 is about 389.7293932975. The cubic root of 151889 is about 53.3550389081.

The spelling of 151889 in words is "one hundred fifty-one thousand, eight hundred eighty-nine".