142340453661 has 64 divisors (see below), whose sum is σ = 225793806336. Its totient is φ = 78084864000.

The previous prime is 142340453653. The next prime is 142340453701. The reversal of 142340453661 is 166354043241.

It is not a de Polignac number, because 142340453661 - 2³ = 142340453653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142340458661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11253901 + ... + 11266541.

It is an arithmetic number, because the mean of its divisors is an integer number (3528028224).

Almost surely, 2^142340453661 is an apocalyptic number.

It is an amenable number.

142340453661 is a deficient number, since it is larger than the sum of its proper divisors (83453352675).

142340453661 is a wasteful number, since it uses less digits than its factorization.

142340453661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12922.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 142340453661 in words is "one hundred forty-two billion, three hundred forty million, four hundred fifty-three thousand, six hundred sixty-one".