142608511 has 8 divisors (see below), whose sum is σ = 146453120. Its totient is φ = 138787992.

The previous prime is 142608469. The next prime is 142608523. The reversal of 142608511 is 115806241.

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 142608511 - 2¹³ = 142600319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142608511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142608551) 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, 6310 + ... + 18028.

It is an arithmetic number, because the mean of its divisors is an integer number (18306640).

Almost surely, 2^142608511 is an apocalyptic number.

142608511 is a deficient number, since it is larger than the sum of its proper divisors (3844609).

142608511 is a wasteful number, since it uses less digits than its factorization.

142608511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12045.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 142608511 is about 11941.8805470495. The cubic root of 142608511 is about 522.4545091383.

The spelling of 142608511 in words is "one hundred forty-two million, six hundred eight thousand, five hundred eleven".