151878 has 16 divisors (see below), whose sum is σ = 321840. Its totient is φ = 47616.

The previous prime is 151871. The next prime is 151883. The reversal of 151878 is 878151.

151878 is nontrivially palindromic in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151871) by changing a digit.

151878 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 643 + ... + 846.

It is an arithmetic number, because the mean of its divisors is an integer number (20115).

2¹⁵¹⁸⁷⁸ is an apocalyptic number.

151878 is an abundant number, since it is smaller than the sum of its proper divisors (169962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151878 is a wasteful number, since it uses less digits than its factorization.

151878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511.

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

The square root of 151878 is about 389.7152806858. The cubic root of 151878 is about 53.3537508631.

It can be divided in two parts, 1518 and 78, that added together give a triangular number (1596 = T₅₆).

The spelling of 151878 in words is "one hundred fifty-one thousand, eight hundred seventy-eight".