142271230 has 16 divisors (see below), whose sum is σ = 262335024. Its totient is φ = 55520320.

The previous prime is 142271197. The next prime is 142271231. The reversal of 142271230 is 32172241.

It is a super-2 number, since 2×142271230² = 40482205771425800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142271231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173092 + ... + 173911.

It is an arithmetic number, because the mean of its divisors is an integer number (16395939).

Almost surely, 2^142271230 is an apocalyptic number.

142271230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142271230 is a deficient number, since it is larger than the sum of its proper divisors (120063794).

142271230 is a wasteful number, since it uses less digits than its factorization.

142271230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347051.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 142271230 is about 11927.7504165706. The cubic root of 142271230 is about 522.0423011966.

The spelling of 142271230 in words is "one hundred forty-two million, two hundred seventy-one thousand, two hundred thirty".