142850320 has 40 divisors (see below), whose sum is σ = 351667224. Its totient is φ = 53778432.

The previous prime is 142850299. The next prime is 142850321. The reversal of 142850320 is 23058241.

It can be written as a sum of positive squares in 4 ways, for example, as 3326976 + 139523344 = 1824^2 + 11812^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (142850321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51159 + ... + 53878.

Almost surely, 2^142850320 is an apocalyptic number.

142850320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142850320 is an abundant number, since it is smaller than the sum of its proper divisors (208816904).

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

142850320 is a wasteful number, since it uses less digits than its factorization.

142850320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105067 (or 105061 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 142850320 is about 11952.0006693440. Note that the first 3 decimals coincide. The cubic root of 142850320 is about 522.7496361355.

The spelling of 142850320 in words is "one hundred forty-two million, eight hundred fifty thousand, three hundred twenty".