151940 has 24 divisors (see below), whose sum is σ = 326592. Its totient is φ = 59360.

The previous prime is 151939. The next prime is 151967. The reversal of 151940 is 49151.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367 + ... + 1473.

It is an arithmetic number, because the mean of its divisors is an integer number (13608).

2¹⁵¹⁹⁴⁰ is an apocalyptic number.

151940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151940 is an abundant number, since it is smaller than the sum of its proper divisors (174652).

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

151940 is a wasteful number, since it uses less digits than its factorization.

151940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 151940 is about 389.7948178209. The cubic root of 151940 is about 53.3610099407.

The spelling of 151940 in words is "one hundred fifty-one thousand, nine hundred forty".