144431143140 has 96 divisors (see below), whose sum is σ = 405906391296. Its totient is φ = 38372392960.

The previous prime is 144431143139. The next prime is 144431143193. The reversal of 144431143140 is 41341134441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 144431143098 and 144431143107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32890345 + ... + 32894735.

It is an arithmetic number, because the mean of its divisors is an integer number (4228191576).

Almost surely, 2^144431143140 is an apocalyptic number.

144431143140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144431143140 is an abundant number, since it is smaller than the sum of its proper divisors (261475248156).

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

144431143140 is a wasteful number, since it uses less digits than its factorization.

144431143140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309 (or 6307 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 144431143140 its reverse (41341134441), we get a palindrome (185772277581).

The spelling of 144431143140 in words is "one hundred forty-four billion, four hundred thirty-one million, one hundred forty-three thousand, one hundred forty".