142380040 has 32 divisors (see below), whose sum is σ = 349479360. Its totient is φ = 51774400.

The previous prime is 142380037. The next prime is 142380059. The reversal of 142380040 is 40083241.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 142379993 and 142380020.

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, 161356 + ... + 162235.

It is an arithmetic number, because the mean of its divisors is an integer number (10921230).

Almost surely, 2^142380040 is an apocalyptic number.

142380040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142380040 is an abundant number, since it is smaller than the sum of its proper divisors (207099320).

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

142380040 is a wasteful number, since it uses less digits than its factorization.

142380040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323613 (or 323609 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 142380040 is about 11932.3107569322. The cubic root of 142380040 is about 522.1753544445.

The spelling of 142380040 in words is "one hundred forty-two million, three hundred eighty thousand, forty".