144151140 has 72 divisors (see below), whose sum is σ = 469530432. Its totient is φ = 32948160.

The previous prime is 144151123. The next prime is 144151151. The reversal of 144151140 is 41151441.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21576 + ... + 27455.

It is an arithmetic number, because the mean of its divisors is an integer number (6521256).

Almost surely, 2^144151140 is an apocalyptic number.

144151140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144151140 is an abundant number, since it is smaller than the sum of its proper divisors (325379292).

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

144151140 is a wasteful number, since it uses less digits than its factorization.

144151140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49057 (or 49048 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 144151140 is about 12006.2958484289. The cubic root of 144151140 is about 524.3315938212.

The spelling of 144151140 in words is "one hundred forty-four million, one hundred fifty-one thousand, one hundred forty".