142303140 has 72 divisors (see below), whose sum is σ = 493321920. Its totient is φ = 32526144.

The previous prime is 142303129. The next prime is 142303151. The reversal of 142303140 is 41303241.

It is an interprime number because it is at equal distance from previous prime (142303129) and next prime (142303151).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55210 + ... + 57729.

Almost surely, 2^142303140 is an apocalyptic number.

142303140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142303140 is an abundant number, since it is smaller than the sum of its proper divisors (351018780).

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

142303140 is a wasteful number, since it uses less digits than its factorization.

142303140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112961 (or 112956 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142303140 is about 11929.0879785506. The cubic root of 142303140 is about 522.0813278842.

Adding to 142303140 its reverse (41303241), we get a palindrome (183606381).

The spelling of 142303140 in words is "one hundred forty-two million, three hundred three thousand, one hundred forty".