144987800 has 24 divisors (see below), whose sum is σ = 337097100. Its totient is φ = 57995040.

The previous prime is 144987797. The next prime is 144987859. The reversal of 144987800 is 8789441.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 362270 + ... + 362669.

Almost surely, 2^144987800 is an apocalyptic number.

144987800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144987800 is an abundant number, since it is smaller than the sum of its proper divisors (192109300).

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

144987800 is a wasteful number, since it uses less digits than its factorization.

144987800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724955 (or 724946 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 144987800 is about 12041.0879907091. The cubic root of 144987800 is about 525.3440526356.

The spelling of 144987800 in words is "one hundred forty-four million, nine hundred eighty-seven thousand, eight hundred".