142551212 has 6 divisors (see below), whose sum is σ = 249464628. Its totient is φ = 71275604.

The previous prime is 142551193. The next prime is 142551221. The reversal of 142551212 is 212155241.

142551212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17818898 + ... + 17818905.

It is an arithmetic number, because the mean of its divisors is an integer number (41577438).

Almost surely, 2^142551212 is an apocalyptic number.

It is an amenable number.

142551212 is a deficient number, since it is larger than the sum of its proper divisors (106913416).

142551212 is a wasteful number, since it uses less digits than its factorization.

142551212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35637807 (or 35637805 counting only the distinct ones).

The product of its digits is 800, while the sum is 23.

The square root of 142551212 is about 11939.4812282611. The cubic root of 142551212 is about 522.3845270337.

The spelling of 142551212 in words is "one hundred forty-two million, five hundred fifty-one thousand, two hundred twelve".