142964621 has 2 divisors, whose sum is σ = 142964622. Its totient is φ = 142964620.

The previous prime is 142964617. The next prime is 142964659. The reversal of 142964621 is 126469241.

142964621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113955625 + 29008996 = 10675^2 + 5386^2 .

It is a cyclic number.

It is not a de Polignac number, because 142964621 - 2² = 142964617 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142964221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71482310 + 71482311.

It is an arithmetic number, because the mean of its divisors is an integer number (71482311).

Almost surely, 2^142964621 is an apocalyptic number.

It is an amenable number.

142964621 is a deficient number, since it is larger than the sum of its proper divisors (1).

142964621 is an equidigital number, since it uses as much as digits as its factorization.

142964621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 142964621 is about 11956.7813812915. The cubic root of 142964621 is about 522.8890241719.

The spelling of 142964621 in words is "one hundred forty-two million, nine hundred sixty-four thousand, six hundred twenty-one".