142192650 has 48 divisors (see below), whose sum is σ = 353486304. Its totient is φ = 37826880.

The previous prime is 142192613. The next prime is 142192657. The reversal of 142192650 is 56291241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142192657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81184 + ... + 82916.

It is an arithmetic number, because the mean of its divisors is an integer number (7364298).

Almost surely, 2^142192650 is an apocalyptic number.

142192650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142192650 is an abundant number, since it is smaller than the sum of its proper divisors (211293654).

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

142192650 is a wasteful number, since it uses less digits than its factorization.

142192650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295 (or 2290 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 142192650 is about 11924.4559624328. The cubic root of 142192650 is about 521.9461711056.

The spelling of 142192650 in words is "one hundred forty-two million, one hundred ninety-two thousand, six hundred fifty".