142212030 has 32 divisors (see below), whose sum is σ = 345989664. Its totient is φ = 37403136.

The previous prime is 142212029. The next prime is 142212041. The reversal of 142212030 is 30212241.

It is a super-2 number, since 2×142212030² = 40448522953441800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30279 + ... + 34658.

It is an arithmetic number, because the mean of its divisors is an integer number (10812177).

Almost surely, 2^142212030 is an apocalyptic number.

142212030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142212030 is an abundant number, since it is smaller than the sum of its proper divisors (203777634).

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

142212030 is a wasteful number, since it uses less digits than its factorization.

142212030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65020.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 142212030 is about 11925.2685504352. The cubic root of 142212030 is about 521.9698827327.

Adding to 142212030 its reverse (30212241), we get a palindrome (172424271).

The spelling of 142212030 in words is "one hundred forty-two million, two hundred twelve thousand, thirty".