195011142 has 16 divisors (see below), whose sum is σ = 402604032. Its totient is φ = 62906760.

The previous prime is 195011123. The next prime is 195011147. The reversal of 195011142 is 241110591.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195011147) 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, 524038 + ... + 524409.

It is an arithmetic number, because the mean of its divisors is an integer number (25162752).

Almost surely, 2^195011142 is an apocalyptic number.

195011142 is an abundant number, since it is smaller than the sum of its proper divisors (207592890).

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

195011142 is a wasteful number, since it uses less digits than its factorization.

195011142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048483.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 195011142 is about 13964.6389856666. The cubic root of 195011142 is about 579.9000442097.

The spelling of 195011142 in words is "one hundred ninety-five million, eleven thousand, one hundred forty-two".