142946368 has 14 divisors (see below), whose sum is σ = 283659326. Its totient is φ = 71473152.

The previous prime is 142946351. The next prime is 142946383. The reversal of 142946368 is 863649241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 138485824 + 4460544 = 11768^2 + 2112^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116705 + ... + 1116832.

Almost surely, 2^142946368 is an apocalyptic number.

It is an amenable number.

142946368 is a deficient number, since it is larger than the sum of its proper divisors (140712958).

142946368 is an equidigital number, since it uses as much as digits as its factorization.

142946368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233549 (or 2233539 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 142946368 is about 11956.0180662292. The cubic root of 142946368 is about 522.8667699491.

The spelling of 142946368 in words is "one hundred forty-two million, nine hundred forty-six thousand, three hundred sixty-eight".