144402080 has 48 divisors (see below), whose sum is σ = 361224360. Its totient is φ = 54362112.

The previous prime is 144402077. The next prime is 144402091. The reversal of 144402080 is 80204441.

It can be written as a sum of positive squares in 4 ways, for example, as 101525776 + 42876304 = 10076^2 + 6548^2 .

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, 23825 + ... + 29264.

Almost surely, 2^144402080 is an apocalyptic number.

144402080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144402080 is an abundant number, since it is smaller than the sum of its proper divisors (216822280).

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

144402080 is a wasteful number, since it uses less digits than its factorization.

144402080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53121 (or 53113 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 144402080 is about 12016.7416548747. The cubic root of 144402080 is about 524.6356716438.

The spelling of 144402080 in words is "one hundred forty-four million, four hundred two thousand, eighty".