167744142 has 32 divisors (see below), whose sum is σ = 373224960. Its totient is φ = 55845720.

The previous prime is 167744123. The next prime is 167744153. The reversal of 167744142 is 241447761.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 167744097 and 167744106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61467 + ... + 64137.

It is an arithmetic number, because the mean of its divisors is an integer number (11663280).

Almost surely, 2^167744142 is an apocalyptic number.

167744142 is an abundant number, since it is smaller than the sum of its proper divisors (205480818).

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

167744142 is a wasteful number, since it uses less digits than its factorization.

167744142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845 (or 3839 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 167744142 is about 12951.6076994325. The cubic root of 167744142 is about 551.5045767543.

The spelling of 167744142 in words is "one hundred sixty-seven million, seven hundred forty-four thousand, one hundred forty-two".