158438522445 has 32 divisors (see below), whose sum is σ = 306758285568. Its totient is φ = 68168506368.

The previous prime is 158438522401. The next prime is 158438522477. The reversal of 158438522445 is 544225834851.

It is not a de Polignac number, because 158438522445 - 2⁷ = 158438522317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 44378754 + ... + 44382323.

It is an arithmetic number, because the mean of its divisors is an integer number (9586196424).

Almost surely, 2^158438522445 is an apocalyptic number.

158438522445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158438522445 is a deficient number, since it is larger than the sum of its proper divisors (148319763123).

158438522445 is a wasteful number, since it uses less digits than its factorization.

158438522445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88761109.

The product of its digits is 6144000, while the sum is 51.

The spelling of 158438522445 in words is "one hundred fifty-eight billion, four hundred thirty-eight million, five hundred twenty-two thousand, four hundred forty-five".