151387 has 4 divisors (see below), whose sum is σ = 154656. Its totient is φ = 148120.

The previous prime is 151381. The next prime is 151391. The reversal of 151387 is 783151.

151387 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151387 - 2³ = 151379 is a prime.

It is a Duffinian number.

151387 is an undulating number in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1564 + ... + 1657.

It is an arithmetic number, because the mean of its divisors is an integer number (38664).

2¹⁵¹³⁸⁷ is an apocalyptic number.

151387 is a deficient number, since it is larger than the sum of its proper divisors (3269).

151387 is an equidigital number, since it uses as much as digits as its factorization.

151387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268.

The product of its digits is 840, while the sum is 25.

The square root of 151387 is about 389.0848236567. The cubic root of 151387 is about 53.2961937613.

It can be divided in two parts, 1513 and 87, that added together give a square (1600 = 40²).

The spelling of 151387 in words is "one hundred fifty-one thousand, three hundred eighty-seven".