142380738 has 24 divisors (see below), whose sum is σ = 308816508. Its totient is φ = 47410272.

The previous prime is 142380709. The next prime is 142380739. The reversal of 142380738 is 837083241.

It can be written as a sum of positive squares in 2 ways, for example, as 119311929 + 23068809 = 10923^2 + 4803^2 .

It is not an unprimeable number, because it can be changed into a prime (142380739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16056 + ... + 23292.

Almost surely, 2^142380738 is an apocalyptic number.

142380738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

142380738 is an abundant number, since it is smaller than the sum of its proper divisors (166435770).

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

142380738 is a wasteful number, since it uses less digits than its factorization.

142380738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8338 (or 8335 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 142380738 is about 11932.3400052127. The cubic root of 142380738 is about 522.1762077425.

The spelling of 142380738 in words is "one hundred forty-two million, three hundred eighty thousand, seven hundred thirty-eight".