63191142 has 48 divisors (see below), whose sum is σ = 165683232. Its totient is φ = 16992000.

The previous prime is 63191119. The next prime is 63191147. The reversal of 63191142 is 24119136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63191147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12609 + ... + 16892.

It is an arithmetic number, because the mean of its divisors is an integer number (3451734).

Almost surely, 2^63191142 is an apocalyptic number.

63191142 is an abundant number, since it is smaller than the sum of its proper divisors (102492090).

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

63191142 is a wasteful number, since it uses less digits than its factorization.

63191142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29533 (or 29530 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 63191142 is about 7949.2856282813. The cubic root of 63191142 is about 398.3077298172.

The spelling of 63191142 in words is "sixty-three million, one hundred ninety-one thousand, one hundred forty-two".