158390485219845 has 12 divisors (see below), whose sum is σ = 274543507714476. Its totient is φ = 84474925450560.

The previous prime is 158390485219831. The next prime is 158390485219847. The reversal of 158390485219845 is 548912584093851.

158390485219845 is a `hidden beast` number, since 1 + 5 + 8 + 3 + 9 + 0 + 4 + 8 + 521 + 98 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 65211794445924 + 93178690773921 = 8075382^2 + 9652911^2 .

It is not a de Polignac number, because 158390485219845 - 2¹² = 158390485215749 is a prime.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158390485219847) 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, 1759894280176 + ... + 1759894280265.

It is an arithmetic number, because the mean of its divisors is an integer number (22878625642873).

Almost surely, 2^{158390485219845} is an apocalyptic number.

158390485219845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158390485219845 is a deficient number, since it is larger than the sum of its proper divisors (116153022494631).

158390485219845 is a wasteful number, since it uses less digits than its factorization.

158390485219845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519788560452 (or 3519788560449 counting only the distinct ones).

The product of its (nonzero) digits is 497664000, while the sum is 72.

The spelling of 158390485219845 in words is "one hundred fifty-eight trillion, three hundred ninety billion, four hundred eighty-five million, two hundred nineteen thousand, eight hundred forty-five".