142652890 has 8 divisors (see below), whose sum is σ = 256775220. Its totient is φ = 57061152.

The previous prime is 142652857. The next prime is 142652897. The reversal of 142652890 is 98256241.

It can be written as a sum of positive squares in 2 ways, for example, as 122965921 + 19686969 = 11089^2 + 4437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (142652897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7132635 + ... + 7132654.

Almost surely, 2^142652890 is an apocalyptic number.

142652890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142652890 is a deficient number, since it is larger than the sum of its proper divisors (114122330).

142652890 is a wasteful number, since it uses less digits than its factorization.

142652890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14265296.

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

The square root of 142652890 is about 11943.7385269437. The cubic root of 142652890 is about 522.5086985266.

The spelling of 142652890 in words is "one hundred forty-two million, six hundred fifty-two thousand, eight hundred ninety".