143312140 has 48 divisors (see below), whose sum is σ = 308363328. Its totient is φ = 55931904.

The previous prime is 143312111. The next prime is 143312153. The reversal of 143312140 is 41213341.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149904 + ... + 150856.

It is an arithmetic number, because the mean of its divisors is an integer number (6424236).

Almost surely, 2^143312140 is an apocalyptic number.

143312140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143312140 is an abundant number, since it is smaller than the sum of its proper divisors (165051188).

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

143312140 is a wasteful number, since it uses less digits than its factorization.

143312140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 143312140 is about 11971.3048578674. The cubic root of 143312140 is about 523.3123616174.

Adding to 143312140 its reverse (41213341), we get a palindrome (184525481).

It can be divided in two parts, 14331 and 2140, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 143312140 in words is "one hundred forty-three million, three hundred twelve thousand, one hundred forty".