142631190 has 192 divisors, whose sum is σ = 433060992. Its totient is φ = 32256000.

The previous prime is 142631171. The next prime is 142631191. The reversal of 142631190 is 91136241.

142631190 is a `hidden beast` number, since 14 + 2 + 631 + 19 + 0 = 666.

It is a super-2 number, since 2×142631190² = 40687312721632200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142631191) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1412140 + ... + 1412240.

It is an arithmetic number, because the mean of its divisors is an integer number (2255526).

Almost surely, 2^142631190 is an apocalyptic number.

142631190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142631190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216530496).

142631190 is an abundant number, since it is smaller than the sum of its proper divisors (290429802).

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

142631190 is a wasteful number, since it uses less digits than its factorization.

142631190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 212 counting only the distinct ones).

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

The square root of 142631190 is about 11942.8300666132. The cubic root of 142631190 is about 522.4822029453.

The spelling of 142631190 in words is "one hundred forty-two million, six hundred thirty-one thousand, one hundred ninety".