142190774 has 16 divisors (see below), whose sum is σ = 232860096. Its totient is φ = 64581000.

The previous prime is 142190773. The next prime is 142190791. The reversal of 142190774 is 477091241.

142190774 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 (142190773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48449 + ... + 51299.

It is an arithmetic number, because the mean of its divisors is an integer number (14553756).

Almost surely, 2^142190774 is an apocalyptic number.

142190774 is a deficient number, since it is larger than the sum of its proper divisors (90669322).

142190774 is a wasteful number, since it uses less digits than its factorization.

142190774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 142190774 is about 11924.3773003038. The cubic root of 142190774 is about 521.9438756861.

The spelling of 142190774 in words is "one hundred forty-two million, one hundred ninety thousand, seven hundred seventy-four".