142102030 has 32 divisors (see below), whose sum is σ = 302408640. Its totient is φ = 47040000.

The previous prime is 142102013. The next prime is 142102049. The reversal of 142102030 is 30201241.

It is a self number, because there is not a number n which added to its sum of digits gives 142102030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32971 + ... + 37030.

It is an arithmetic number, because the mean of its divisors is an integer number (9450270).

Almost surely, 2^142102030 is an apocalyptic number.

142102030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142102030 is an abundant number, since it is smaller than the sum of its proper divisors (160306610).

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

142102030 is a wasteful number, since it uses less digits than its factorization.

142102030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70044.

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

The square root of 142102030 is about 11920.6556027762. The cubic root of 142102030 is about 521.8352680139.

Adding to 142102030 its reverse (30201241), we get a palindrome (172303271).

The spelling of 142102030 in words is "one hundred forty-two million, one hundred two thousand, thirty".