142140310 has 64 divisors (see below), whose sum is σ = 293025600. Its totient is φ = 49254912.

The previous prime is 142140307. The next prime is 142140319. The reversal of 142140310 is 13041241.

142140310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142140310² = 40407735453792200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142140319) 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, 138981 + ... + 139999.

It is an arithmetic number, because the mean of its divisors is an integer number (4578525).

Almost surely, 2^142140310 is an apocalyptic number.

142140310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142140310 is an abundant number, since it is smaller than the sum of its proper divisors (150885290).

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

142140310 is a wasteful number, since it uses less digits than its factorization.

142140310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 142140310 is about 11922.2611110477. The cubic root of 142140310 is about 521.8821218147.

Adding to 142140310 its reverse (13041241), we get a palindrome (155181551).

The spelling of 142140310 in words is "one hundred forty-two million, one hundred forty thousand, three hundred ten".