142266512 has 10 divisors (see below), whose sum is σ = 275641398. Its totient is φ = 71133248.

The previous prime is 142266503. The next prime is 142266529. The reversal of 142266512 is 215662241.

It can be written as a sum of positive squares in only one way, i.e., 71639296 + 70627216 = 8464^2 + 8404^2 .

It is a super-2 number, since 2×142266512² = 40479520873292288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4445813 + ... + 4445844.

Almost surely, 2^142266512 is an apocalyptic number.

It is an amenable number.

142266512 is a deficient number, since it is larger than the sum of its proper divisors (133374886).

142266512 is an equidigital number, since it uses as much as digits as its factorization.

142266512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8891665 (or 8891659 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 142266512 is about 11927.5526408396. The cubic root of 142266512 is about 522.0365304754.

The spelling of 142266512 in words is "one hundred forty-two million, two hundred sixty-six thousand, five hundred twelve".