144819400 has 48 divisors (see below), whose sum is σ = 367320240. Its totient is φ = 52660800.

The previous prime is 144819397. The next prime is 144819401. The reversal of 144819400 is 4918441.

It is not an unprimeable number, because it can be changed into a prime (144819401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30714 + ... + 35113.

It is an arithmetic number, because the mean of its divisors is an integer number (7652505).

Almost surely, 2^144819400 is an apocalyptic number.

144819400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144819400 is an abundant number, since it is smaller than the sum of its proper divisors (222500840).

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

144819400 is a wasteful number, since it uses less digits than its factorization.

144819400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65854 (or 65845 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 144819400 is about 12034.0932354706. The cubic root of 144819400 is about 525.1405821557.

The spelling of 144819400 in words is "one hundred forty-four million, eight hundred nineteen thousand, four hundred".