142302130 has 16 divisors (see below), whose sum is σ = 264976920. Its totient is φ = 54957952.

The previous prime is 142302119. The next prime is 142302133. The reversal of 142302130 is 31203241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 75012921 + 67289209 = 8661^2 + 8203^2 .

It is not an unprimeable number, because it can be changed into a prime (142302133) 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, 245059 + ... + 245638.

Almost surely, 2^142302130 is an apocalyptic number.

142302130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142302130 is a deficient number, since it is larger than the sum of its proper divisors (122674790).

142302130 is a wasteful number, since it uses less digits than its factorization.

142302130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490733.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 142302130 is about 11929.0456449793. The cubic root of 142302130 is about 522.0800927196.

Adding to 142302130 its reverse (31203241), we get a palindrome (173505371).

The spelling of 142302130 in words is "one hundred forty-two million, three hundred two thousand, one hundred thirty".