142654661 has 8 divisors (see below), whose sum is σ = 145657344. Its totient is φ = 139673520.

The previous prime is 142654651. The next prime is 142654663. The reversal of 142654661 is 166456241.

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 142654661 - 2⁶ = 142654597 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 (142654663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8360 + ... + 18846.

It is an arithmetic number, because the mean of its divisors is an integer number (18207168).

Almost surely, 2^142654661 is an apocalyptic number.

It is an amenable number.

142654661 is a deficient number, since it is larger than the sum of its proper divisors (3002683).

142654661 is a wasteful number, since it uses less digits than its factorization.

142654661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10771.

The product of its digits is 34560, while the sum is 35.

The square root of 142654661 is about 11943.8126659790. The cubic root of 142654661 is about 522.5108607893.

The spelling of 142654661 in words is "one hundred forty-two million, six hundred fifty-four thousand, six hundred sixty-one".