142222995 has 24 divisors (see below), whose sum is σ = 247104000. Its totient is φ = 75672576.

The previous prime is 142222957. The next prime is 142223021. The reversal of 142222995 is 599222241.

142222995 is a `hidden beast` number, since 1 + 422 + 229 + 9 + 5 = 666.

It is not a de Polignac number, because 142222995 - 2⁸ = 142222739 is a prime.

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 in 23 ways as a sum of consecutive naturals, for example, 16686 + ... + 23724.

It is an arithmetic number, because the mean of its divisors is an integer number (10296000).

Almost surely, 2^142222995 is an apocalyptic number.

142222995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142222995 is a deficient number, since it is larger than the sum of its proper divisors (104881005).

142222995 is a wasteful number, since it uses less digits than its factorization.

142222995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7499 (or 7496 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 142222995 is about 11925.7282796482. The cubic root of 142222995 is about 521.9832975675.

The spelling of 142222995 in words is "one hundred forty-two million, two hundred twenty-two thousand, nine hundred ninety-five".