158638245224287 has 4 divisors (see below), whose sum is σ = 158639454958600. Its totient is φ = 158637035489976.

The previous prime is 158638245224279. The next prime is 158638245224297. The reversal of 158638245224287 is 782422542836851.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 158638245224287 - 2³ = 158638245224279 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 (158638245224237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604670433 + ... + 604932730.

It is an arithmetic number, because the mean of its divisors is an integer number (39659863739650).

Almost surely, 2^{158638245224287} is an apocalyptic number.

158638245224287 is a deficient number, since it is larger than the sum of its proper divisors (1209734313).

158638245224287 is a wasteful number, since it uses less digits than its factorization.

158638245224287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209734312.

The product of its digits is 412876800, while the sum is 67.

The spelling of 158638245224287 in words is "one hundred fifty-eight trillion, six hundred thirty-eight billion, two hundred forty-five million, two hundred twenty-four thousand, two hundred eighty-seven".