151856 has 10 divisors (see below), whose sum is σ = 294252. Its totient is φ = 75920.

The previous prime is 151849. The next prime is 151871. The reversal of 151856 is 658151.

It is an unprimeable number.

151856 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, 4730 + ... + 4761.

2¹⁵¹⁸⁵⁶ is an apocalyptic number.

151856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

151856 is a deficient number, since it is larger than the sum of its proper divisors (142396).

151856 is an equidigital number, since it uses as much as digits as its factorization.

151856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9499 (or 9493 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

The square root of 151856 is about 389.6870539292. The cubic root of 151856 is about 53.3511745866.

The spelling of 151856 in words is "one hundred fifty-one thousand, eight hundred fifty-six".