142858730 has 32 divisors (see below), whose sum is σ = 294295680. Its totient is φ = 48911040.

The previous prime is 142858699. The next prime is 142858733. The reversal of 142858730 is 37858241.

142858730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142858733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87320 + ... + 88940.

It is an arithmetic number, because the mean of its divisors is an integer number (9196740).

Almost surely, 2^142858730 is an apocalyptic number.

142858730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142858730 is an abundant number, since it is smaller than the sum of its proper divisors (151436950).

142858730 is a wasteful number, since it uses less digits than its factorization.

142858730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 142858730 is about 11952.3524881088. The cubic root of 142858730 is about 522.7598945145.

The spelling of 142858730 in words is "one hundred forty-two million, eight hundred fifty-eight thousand, seven hundred thirty".