1144800140 has 24 divisors (see below), whose sum is σ = 2622633552. Its totient is φ = 416290880.

The previous prime is 1144800131. The next prime is 1144800149. The reversal of 1144800140 is 410084411.

It is an interprime number because it is at equal distance from previous prime (1144800131) and next prime (1144800149).

It is not an unprimeable number, because it can be changed into a prime (1144800149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2601599 + ... + 2602038.

It is an arithmetic number, because the mean of its divisors is an integer number (109276398).

Almost surely, 2^1144800140 is an apocalyptic number.

1144800140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144800140 is an abundant number, since it is smaller than the sum of its proper divisors (1477833412).

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

1144800140 is a wasteful number, since it uses less digits than its factorization.

1144800140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203657 (or 5203655 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1144800140 is about 33834.8953005621. The cubic root of 1144800140 is about 1046.1080834027.

Adding to 1144800140 its reverse (410084411), we get a palindrome (1554884551).

The spelling of 1144800140 in words is "one billion, one hundred forty-four million, eight hundred thousand, one hundred forty".