142930380 has 24 divisors (see below), whose sum is σ = 400205232. Its totient is φ = 38114752.

The previous prime is 142930379. The next prime is 142930393. The reversal of 142930380 is 83039241.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191027 + ... + 1191146.

It is an arithmetic number, because the mean of its divisors is an integer number (16675218).

Almost surely, 2^142930380 is an apocalyptic number.

142930380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142930380 is an abundant number, since it is smaller than the sum of its proper divisors (257274852).

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

142930380 is a wasteful number, since it uses less digits than its factorization.

142930380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382185 (or 2382183 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 142930380 is about 11955.3494302760. The cubic root of 142930380 is about 522.8472756784.

The spelling of 142930380 in words is "one hundred forty-two million, nine hundred thirty thousand, three hundred eighty".