142167774 has 32 divisors (see below), whose sum is σ = 326244096. Its totient is φ = 40458240.

The previous prime is 142167763. The next prime is 142167793. The reversal of 142167774 is 477761241.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4209 + ... + 17379.

It is an arithmetic number, because the mean of its divisors is an integer number (10195128).

Almost surely, 2^142167774 is an apocalyptic number.

142167774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142167774 is an abundant number, since it is smaller than the sum of its proper divisors (184076322).

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

142167774 is a wasteful number, since it uses less digits than its factorization.

142167774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13440.

The product of its digits is 65856, while the sum is 39.

The square root of 142167774 is about 11923.4128503545. The cubic root of 142167774 is about 521.9157319087.

The spelling of 142167774 in words is "one hundred forty-two million, one hundred sixty-seven thousand, seven hundred seventy-four".