142833730 has 48 divisors (see below), whose sum is σ = 280385280. Its totient is φ = 52363584.

The previous prime is 142833721. The next prime is 142833731. The reversal of 142833730 is 37338241.

It is a junction number, because it is equal to n+sod(n) for n = 142833692 and 142833701.

It is not an unprimeable number, because it can be changed into a prime (142833731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376681 + ... + 377059.

It is an arithmetic number, because the mean of its divisors is an integer number (5841360).

Almost surely, 2^142833730 is an apocalyptic number.

142833730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142833730 is a deficient number, since it is larger than the sum of its proper divisors (137551550).

142833730 is a wasteful number, since it uses less digits than its factorization.

142833730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 142833730 is about 11951.3066231270. The cubic root of 142833730 is about 522.7293987472.

The spelling of 142833730 in words is "one hundred forty-two million, eight hundred thirty-three thousand, seven hundred thirty".