142928290 has 16 divisors (see below), whose sum is σ = 265570560. Its totient is φ = 55326960.

The previous prime is 142928281. The next prime is 142928293. The reversal of 142928290 is 92829241.

It is not an unprimeable number, because it can be changed into a prime (142928293) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 230220 + ... + 230839.

It is an arithmetic number, because the mean of its divisors is an integer number (16598160).

Almost surely, 2^142928290 is an apocalyptic number.

142928290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142928290 is a deficient number, since it is larger than the sum of its proper divisors (122642270).

142928290 is a wasteful number, since it uses less digits than its factorization.

142928290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461097.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 142928290 is about 11955.2620213862. The cubic root of 142928290 is about 522.8447272205.

The spelling of 142928290 in words is "one hundred forty-two million, nine hundred twenty-eight thousand, two hundred ninety".