142047376 has 20 divisors (see below), whose sum is σ = 291406572. Its totient is φ = 66845696.

The previous prime is 142047349. The next prime is 142047377. The reversal of 142047376 is 673740241.

It can be written as a sum of positive squares in 2 ways, for example, as 43243776 + 98803600 = 6576^2 + 9940^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (142047377) 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 3 ways as a sum of consecutive naturals, for example, 260845 + ... + 261388.

Almost surely, 2^142047376 is an apocalyptic number.

142047376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142047376 is an abundant number, since it is smaller than the sum of its proper divisors (149359196).

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

142047376 is a wasteful number, since it uses less digits than its factorization.

142047376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522258 (or 522252 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 142047376 is about 11918.3629748384. The cubic root of 142047376 is about 521.7683582451.

The spelling of 142047376 in words is "one hundred forty-two million, forty-seven thousand, three hundred seventy-six".