144155400 has 48 divisors (see below), whose sum is σ = 446883600. Its totient is φ = 38441280.

The previous prime is 144155357. The next prime is 144155447. The reversal of 144155400 is 4551441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 11 ways as a sum of consecutive naturals, for example, 119530 + ... + 120729.

It is an arithmetic number, because the mean of its divisors is an integer number (9310075).

Almost surely, 2^144155400 is an apocalyptic number.

144155400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144155400 is an abundant number, since it is smaller than the sum of its proper divisors (302728200).

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

144155400 is a wasteful number, since it uses less digits than its factorization.

144155400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240278 (or 240269 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 144155400 is about 12006.4732540409. The cubic root of 144155400 is about 524.3367588412.

The spelling of 144155400 in words is "one hundred forty-four million, one hundred fifty-five thousand, four hundred".