144290832 has 80 divisors (see below), whose sum is σ = 451078272. Its totient is φ = 38799360.

The previous prime is 144290831. The next prime is 144290837. The reversal of 144290832 is 238092441.

It is a junction number, because it is equal to n+sod(n) for n = 144290793 and 144290802.

It is not an unprimeable number, because it can be changed into a prime (144290831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6919 + ... + 18342.

Almost surely, 2^144290832 is an apocalyptic number.

144290832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144290832 is an abundant number, since it is smaller than the sum of its proper divisors (306787440).

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

144290832 is a wasteful number, since it uses less digits than its factorization.

144290832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25296 (or 25290 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 144290832 is about 12012.1118875908. Note that the first 3 decimals coincide. The cubic root of 144290832 is about 524.5009098183.

The spelling of 144290832 in words is "one hundred forty-four million, two hundred ninety thousand, eight hundred thirty-two".