142386470 has 16 divisors (see below), whose sum is σ = 260640720. Its totient is φ = 55989024.

The previous prime is 142386463. The next prime is 142386473. The reversal of 142386470 is 74683241.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142386470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142386473) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 120077 + ... + 121256.

It is an arithmetic number, because the mean of its divisors is an integer number (16290045).

Almost surely, 2^142386470 is an apocalyptic number.

142386470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142386470 is a deficient number, since it is larger than the sum of its proper divisors (118254250).

142386470 is a wasteful number, since it uses less digits than its factorization.

142386470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241399.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 142386470 is about 11932.5801903863. The cubic root of 142386470 is about 522.1832149494.

The spelling of 142386470 in words is "one hundred forty-two million, three hundred eighty-six thousand, four hundred seventy".