142113030 has 64 divisors (see below), whose sum is σ = 366612480. Its totient is φ = 35126784.

The previous prime is 142113019. The next prime is 142113031. The reversal of 142113030 is 30311241.

It is a super-2 number, since 2×142113030² = 40392226591561800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142113031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32091 + ... + 36249.

It is an arithmetic number, because the mean of its divisors is an integer number (5728320).

Almost surely, 2^142113030 is an apocalyptic number.

142113030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142113030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183306240).

142113030 is an abundant number, since it is smaller than the sum of its proper divisors (224499450).

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

142113030 is a wasteful number, since it uses less digits than its factorization.

142113030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 142113030 is about 11921.1169778675. The cubic root of 142113030 is about 521.8487326112.

Adding to 142113030 its reverse (30311241), we get a palindrome (172424271).

The spelling of 142113030 in words is "one hundred forty-two million, one hundred thirteen thousand, thirty".