142213042 has 16 divisors (see below), whose sum is σ = 221538240. Its totient is φ = 68386192.

The previous prime is 142213039. The next prime is 142213087. The reversal of 142213042 is 240312241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10593 + ... + 19915.

It is an arithmetic number, because the mean of its divisors is an integer number (13846140).

Almost surely, 2^142213042 is an apocalyptic number.

142213042 is a deficient number, since it is larger than the sum of its proper divisors (79325198).

142213042 is a wasteful number, since it uses less digits than its factorization.

142213042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9617.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142213042 is about 11925.3109812700. The cubic root of 142213042 is about 521.9711208658.

Adding to 142213042 its reverse (240312241), we get a palindrome (382525283).

The spelling of 142213042 in words is "one hundred forty-two million, two hundred thirteen thousand, forty-two".