142919149 has 8 divisors (see below), whose sum is σ = 144335520. Its totient is φ = 141510000.

The previous prime is 142919113. The next prime is 142919177. The reversal of 142919149 is 941919241.

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 142919149 - 2⁹ = 142918637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142919449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43339 + ... + 46519.

It is an arithmetic number, because the mean of its divisors is an integer number (18041940).

Almost surely, 2^142919149 is an apocalyptic number.

It is an amenable number.

142919149 is a deficient number, since it is larger than the sum of its proper divisors (1416371).

142919149 is a wasteful number, since it uses less digits than its factorization.

142919149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611.

The product of its digits is 23328, while the sum is 40.

The square root of 142919149 is about 11954.8797149950. The cubic root of 142919149 is about 522.8335807789.

The spelling of 142919149 in words is "one hundred forty-two million, nine hundred nineteen thousand, one hundred forty-nine".