142412591 has 8 divisors (see below), whose sum is σ = 147756000. Its totient is φ = 137098080.

The previous prime is 142412531. The next prime is 142412597. The reversal of 142412591 is 195214241.

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

It is not a de Polignac number, because 142412591 - 2¹⁴ = 142396207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142412597) 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, 3086 + ... + 17156.

It is an arithmetic number, because the mean of its divisors is an integer number (18469500).

Almost surely, 2^142412591 is an apocalyptic number.

142412591 is a deficient number, since it is larger than the sum of its proper divisors (5343409).

142412591 is a wasteful number, since it uses less digits than its factorization.

142412591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14449.

The product of its digits is 2880, while the sum is 29.

The square root of 142412591 is about 11933.6746645784. The cubic root of 142412591 is about 522.2151447476.

The spelling of 142412591 in words is "one hundred forty-two million, four hundred twelve thousand, five hundred ninety-one".