142249208 has 16 divisors (see below), whose sum is σ = 269359560. Its totient is φ = 70420000.

The previous prime is 142249207. The next prime is 142249229. The reversal of 142249208 is 802942241.

It is a happy number.

142249208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142249207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87218 + ... + 88833.

Almost surely, 2^142249208 is an apocalyptic number.

It is an amenable number.

142249208 is a deficient number, since it is larger than the sum of its proper divisors (127110352).

142249208 is a wasteful number, since it uses less digits than its factorization.

142249208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176158 (or 176154 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 142249208 is about 11926.8272394631. The cubic root of 142249208 is about 522.0153643643.

It can be divided in two parts, 14224 and 9208, that added together give a palindrome (23432).

The spelling of 142249208 in words is "one hundred forty-two million, two hundred forty-nine thousand, two hundred eight".