142198912 has 16 divisors (see below), whose sum is σ = 283287150. Its totient is φ = 71099392.

The previous prime is 142198883. The next prime is 142198933. The reversal of 142198912 is 219891241.

It can be written as a sum of positive squares in only one way, i.e., 79852096 + 62346816 = 8936^2 + 7896^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555337 + ... + 555592.

Almost surely, 2^142198912 is an apocalyptic number.

It is an amenable number.

142198912 is a deficient number, since it is larger than the sum of its proper divisors (141088238).

142198912 is an equidigital number, since it uses as much as digits as its factorization.

142198912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110943 (or 1110931 counting only the distinct ones).

The product of its digits is 10368, while the sum is 37.

The square root of 142198912 is about 11924.7185291729. The cubic root of 142198912 is about 521.9538329619.

The spelling of 142198912 in words is "one hundred forty-two million, one hundred ninety-eight thousand, nine hundred twelve".