142251232461 has 12 divisors (see below), whose sum is σ = 205380478368. Its totient is φ = 87539219664.

The previous prime is 142251232457. The next prime is 142251232489. The reversal of 142251232461 is 164232152241.

142251232461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142251232461 - 2² = 142251232457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142251232421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140286705 + ... + 140287718.

It is an arithmetic number, because the mean of its divisors is an integer number (17115039864).

Almost surely, 2^142251232461 is an apocalyptic number.

It is an amenable number.

142251232461 is a deficient number, since it is larger than the sum of its proper divisors (63129245907).

142251232461 is a wasteful number, since it uses less digits than its factorization.

142251232461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280574452 (or 280574439 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The spelling of 142251232461 in words is "one hundred forty-two billion, two hundred fifty-one million, two hundred thirty-two thousand, four hundred sixty-one".