142864523 has 8 divisors (see below), whose sum is σ = 153885696. Its totient is φ = 132244200.

The previous prime is 142864489. The next prime is 142864543. The reversal of 142864523 is 325468241.

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

It is a cyclic number.

It is not a de Polignac number, because 142864523 - 2¹² = 142860427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142864543) 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, 99473 + ... + 100898.

It is an arithmetic number, because the mean of its divisors is an integer number (19235712).

Almost surely, 2^142864523 is an apocalyptic number.

142864523 is a deficient number, since it is larger than the sum of its proper divisors (11021173).

142864523 is a wasteful number, since it uses less digits than its factorization.

142864523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200425.

The product of its digits is 46080, while the sum is 35.

The square root of 142864523 is about 11952.5948228826. The cubic root of 142864523 is about 522.7669604860.

The spelling of 142864523 in words is "one hundred forty-two million, eight hundred sixty-four thousand, five hundred twenty-three".