142211230 has 40 divisors (see below), whose sum is σ = 298676232. Its totient is φ = 48749904.

The previous prime is 142211203. The next prime is 142211249. The reversal of 142211230 is 32112241.

It is a super-2 number, since 2×142211230² = 40448067876225800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21049 + ... + 26971.

Almost surely, 2^142211230 is an apocalyptic number.

142211230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142211230 is an abundant number, since it is smaller than the sum of its proper divisors (156465002).

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

142211230 is an frugal number, since it uses more digits than its factorization.

142211230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5958 (or 5937 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 142211230 is about 11925.2350081665. The cubic root of 142211230 is about 521.9689039672.

Adding to 142211230 its reverse (32112241), we get a palindrome (174323471).

It can be divided in two parts, 14221 and 1230, that added together give a palindrome (15451).

The spelling of 142211230 in words is "one hundred forty-two million, two hundred eleven thousand, two hundred thirty".