142532587 has 8 divisors (see below), whose sum is σ = 149301504. Its totient is φ = 135811368.

The previous prime is 142532581. The next prime is 142532591. The reversal of 142532587 is 785235241.

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 142532587 - 2²³ = 134143979 is a prime.

It is a super-3 number, since 3×142532587³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142532581) 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, 5733 + ... + 17830.

It is an arithmetic number, because the mean of its divisors is an integer number (18662688).

Almost surely, 2^142532587 is an apocalyptic number.

142532587 is a deficient number, since it is larger than the sum of its proper divisors (6768917).

142532587 is a wasteful number, since it uses less digits than its factorization.

142532587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23849.

The product of its digits is 67200, while the sum is 37.

The square root of 142532587 is about 11938.7012275205. The cubic root of 142532587 is about 522.3617753610.

The spelling of 142532587 in words is "one hundred forty-two million, five hundred thirty-two thousand, five hundred eighty-seven".