142012030 has 16 divisors (see below), whose sum is σ = 255770784. Its totient is φ = 56771680.

The previous prime is 142012021. The next prime is 142012037. The reversal of 142012030 is 30210241.

It is a self number, because there is not a number n which added to its sum of digits gives 142012030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142012037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21300 + ... + 27160.

It is an arithmetic number, because the mean of its divisors is an integer number (15985674).

Almost surely, 2^142012030 is an apocalyptic number.

142012030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142012030 is a deficient number, since it is larger than the sum of its proper divisors (113758754).

142012030 is a wasteful number, since it uses less digits than its factorization.

142012030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8291.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 142012030 is about 11916.8800447097. The cubic root of 142012030 is about 521.7250770178.

Adding to 142012030 its reverse (30210241), we get a palindrome (172222271).

The spelling of 142012030 in words is "one hundred forty-two million, twelve thousand, thirty".