193142156 has 6 divisors (see below), whose sum is σ = 337998780. Its totient is φ = 96571076.

The previous prime is 193142143. The next prime is 193142167. The reversal of 193142156 is 651241391.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24142766 + ... + 24142773.

It is an arithmetic number, because the mean of its divisors is an integer number (56333130).

Almost surely, 2^193142156 is an apocalyptic number.

It is an amenable number.

193142156 is a deficient number, since it is larger than the sum of its proper divisors (144856624).

193142156 is a wasteful number, since it uses less digits than its factorization.

193142156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48285543 (or 48285541 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 193142156 is about 13897.5593540736. The cubic root of 193142156 is about 578.0415075375.

The spelling of 193142156 in words is "one hundred ninety-three million, one hundred forty-two thousand, one hundred fifty-six".