142203774 has 16 divisors (see below), whose sum is σ = 284693760. Its totient is φ = 47353560.

The previous prime is 142203739. The next prime is 142203829. The reversal of 142203774 is 477302241.

It is a Curzon number.

It is a congruent number.

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, 5172 + ... + 17639.

It is an arithmetic number, because the mean of its divisors is an integer number (17793360).

Almost surely, 2^142203774 is an apocalyptic number.

142203774 is an abundant number, since it is smaller than the sum of its proper divisors (142489986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142203774 is a wasteful number, since it uses less digits than its factorization.

142203774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23855.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 142203774 is about 11924.9223896846. The cubic root of 142203774 is about 521.9597816961.

The spelling of 142203774 in words is "one hundred forty-two million, two hundred three thousand, seven hundred seventy-four".