142412690 has 32 divisors (see below), whose sum is σ = 293466240. Its totient is φ = 48743424.

The previous prime is 142412681. The next prime is 142412719. The reversal of 142412690 is 96214241.

It is a super-2 number, since 2×142412690² = 40562748546072200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50354 + ... + 53106.

It is an arithmetic number, because the mean of its divisors is an integer number (9170820).

Almost surely, 2^142412690 is an apocalyptic number.

142412690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142412690 is an abundant number, since it is smaller than the sum of its proper divisors (151053550).

142412690 is a wasteful number, since it uses less digits than its factorization.

142412690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 142412690 is about 11933.6788125037. The cubic root of 142412690 is about 522.2152657558.

The spelling of 142412690 in words is "one hundred forty-two million, four hundred twelve thousand, six hundred ninety".