144564400 has 30 divisors (see below), whose sum is σ = 347316932. Its totient is φ = 57825600.

The previous prime is 144564373. The next prime is 144564421. The reversal of 144564400 is 4465441.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180306 + ... + 181105.

Almost surely, 2^144564400 is an apocalyptic number.

144564400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144564400 is an abundant number, since it is smaller than the sum of its proper divisors (202752532).

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

144564400 is a wasteful number, since it uses less digits than its factorization.

144564400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361429 (or 361418 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 144564400 is about 12023.4936686472. The cubic root of 144564400 is about 524.8321761392.

The spelling of 144564400 in words is "one hundred forty-four million, five hundred sixty-four thousand, four hundred".