151869 has 16 divisors (see below), whose sum is σ = 221184. Its totient is φ = 92400.

The previous prime is 151849. The next prime is 151871. The reversal of 151869 is 968151.

It is a happy number.

151869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 151869 - 2⁹ = 151357 is a prime.

It is a super-2 number, since 2×151869² = 46128386322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151849) 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, 2104 + ... + 2174.

It is an arithmetic number, because the mean of its divisors is an integer number (13824).

2¹⁵¹⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

151869 is a deficient number, since it is larger than the sum of its proper divisors (69315).

151869 is a wasteful number, since it uses less digits than its factorization.

151869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128.

The product of its digits is 2160, while the sum is 30.

The square root of 151869 is about 389.7037336234. The cubic root of 151869 is about 53.3526969619.

The spelling of 151869 in words is "one hundred fifty-one thousand, eight hundred sixty-nine".