142928650 has 12 divisors (see below), whose sum is σ = 265847382. Its totient is φ = 57171440.

The previous prime is 142928593. The next prime is 142928663. The reversal of 142928650 is 56829241.

It can be written as a sum of positive squares in 3 ways, for example, as 123010281 + 19918369 = 11091^2 + 4463^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1429237 + ... + 1429336.

Almost surely, 2^142928650 is an apocalyptic number.

142928650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142928650 is a deficient number, since it is larger than the sum of its proper divisors (122918732).

142928650 is a wasteful number, since it uses less digits than its factorization.

142928650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858585 (or 2858580 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 142928650 is about 11955.2770775085. The cubic root of 142928650 is about 522.8451661911.

The spelling of 142928650 in words is "one hundred forty-two million, nine hundred twenty-eight thousand, six hundred fifty".