142347344 has 10 divisors (see below), whose sum is σ = 275798010. Its totient is φ = 71173664.

The previous prime is 142347313. The next prime is 142347377. The reversal of 142347344 is 443743241.

It can be written as a sum of positive squares in only one way, i.e., 134281744 + 8065600 = 11588^2 + 2840^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142347344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4448339 + ... + 4448370.

It is an arithmetic number, because the mean of its divisors is an integer number (27579801).

Almost surely, 2^142347344 is an apocalyptic number.

It is an amenable number.

142347344 is a deficient number, since it is larger than the sum of its proper divisors (133450666).

142347344 is an equidigital number, since it uses as much as digits as its factorization.

142347344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8896717 (or 8896711 counting only the distinct ones).

The product of its digits is 32256, while the sum is 32.

The square root of 142347344 is about 11930.9406167326. The cubic root of 142347344 is about 522.1353807880.

The spelling of 142347344 in words is "one hundred forty-two million, three hundred forty-seven thousand, three hundred forty-four".