151887 has 8 divisors (see below), whose sum is σ = 204336. Its totient is φ = 100352.

The previous prime is 151883. The next prime is 151897. The reversal of 151887 is 788151.

151887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 11-Lehmer number, since φ(151887) divides (151887-1)¹¹.

It is a cyclic number.

It is not a de Polignac number, because 151887 - 2² = 151883 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463 + ... + 719.

It is an arithmetic number, because the mean of its divisors is an integer number (25542).

2¹⁵¹⁸⁸⁷ is an apocalyptic number.

151887 is a deficient number, since it is larger than the sum of its proper divisors (52449).

151887 is a wasteful number, since it uses less digits than its factorization.

151887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457.

The product of its digits is 2240, while the sum is 30.

The square root of 151887 is about 389.7268274061. The cubic root of 151887 is about 53.3548047228.

The spelling of 151887 in words is "one hundred fifty-one thousand, eight hundred eighty-seven".