142652290 has 16 divisors (see below), whose sum is σ = 280117440. Its totient is φ = 51873520.

The previous prime is 142652281. The next prime is 142652291. The reversal of 142652290 is 92256241.

It is not an unprimeable number, because it can be changed into a prime (142652291) 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, 648310 + ... + 648529.

It is an arithmetic number, because the mean of its divisors is an integer number (17507340).

Almost surely, 2^142652290 is an apocalyptic number.

142652290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142652290 is a deficient number, since it is larger than the sum of its proper divisors (137465150).

142652290 is a wasteful number, since it uses less digits than its factorization.

142652290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296857.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 142652290 is about 11943.7134091538. The cubic root of 142652290 is about 522.5079659660.

The spelling of 142652290 in words is "one hundred forty-two million, six hundred fifty-two thousand, two hundred ninety".