144003400 has 48 divisors (see below), whose sum is σ = 335597940. Its totient is φ = 57465600.

The previous prime is 144003397. The next prime is 144003421. The reversal of 144003400 is 4300441.

It can be written as a sum of positive squares in 6 ways, for example, as 61811044 + 82192356 = 7862^2 + 9066^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163762 + ... + 164638.

Almost surely, 2^144003400 is an apocalyptic number.

144003400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144003400 is an abundant number, since it is smaller than the sum of its proper divisors (191594540).

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

144003400 is a wasteful number, since it uses less digits than its factorization.

144003400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 144003400 is about 12000.1416658304. The cubic root of 144003400 is about 524.1524040504.

Adding to 144003400 its reverse (4300441), we get a palindrome (148303841).

The spelling of 144003400 in words is "one hundred forty-four million, three thousand, four hundred".