142306810 has 32 divisors (see below), whose sum is σ = 265063680. Its totient is φ = 54965952.

The previous prime is 142306793. The next prime is 142306867. The reversal of 142306810 is 18603241.

It is a super-2 number, since 2×142306810² = 40502456344752200, which contains 22 as substring.

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, 50047 + ... + 52813.

It is an arithmetic number, because the mean of its divisors is an integer number (8283240).

Almost surely, 2^142306810 is an apocalyptic number.

142306810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142306810 is a deficient number, since it is larger than the sum of its proper divisors (122756870).

142306810 is a wasteful number, since it uses less digits than its factorization.

142306810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 142306810 is about 11929.2418032329. The cubic root of 142306810 is about 522.0858160072.

The spelling of 142306810 in words is "one hundred forty-two million, three hundred six thousand, eight hundred ten".