142378270 has 16 divisors (see below), whose sum is σ = 260483328. Its totient is φ = 56017440.

The previous prime is 142378261. The next prime is 142378273. The reversal of 142378270 is 72873241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142378273) 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, 116094 + ... + 117313.

It is an arithmetic number, because the mean of its divisors is an integer number (16280208).

Almost surely, 2^142378270 is an apocalyptic number.

142378270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142378270 is a deficient number, since it is larger than the sum of its proper divisors (118105058).

142378270 is a wasteful number, since it uses less digits than its factorization.

142378270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233475.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 142378270 is about 11932.2365883350. The cubic root of 142378270 is about 522.1731906248.

The spelling of 142378270 in words is "one hundred forty-two million, three hundred seventy-eight thousand, two hundred seventy".