142585547 has 16 divisors (see below), whose sum is σ = 160302240. Its totient is φ = 125916672.

The previous prime is 142585507. The next prime is 142585561. The reversal of 142585547 is 745585241.

It is a cyclic number.

It is not a de Polignac number, because 142585547 - 2⁶ = 142585483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142585507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40928 + ... + 44274.

It is an arithmetic number, because the mean of its divisors is an integer number (10018890).

Almost surely, 2^142585547 is an apocalyptic number.

142585547 is a deficient number, since it is larger than the sum of its proper divisors (17716693).

142585547 is a wasteful number, since it uses less digits than its factorization.

142585547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502.

The product of its digits is 224000, while the sum is 41.

The square root of 142585547 is about 11940.9190182331. The cubic root of 142585547 is about 522.4264643198.

The spelling of 142585547 in words is "one hundred forty-two million, five hundred eighty-five thousand, five hundred forty-seven".