158445953685770 has 32 divisors (see below), whose sum is σ = 304651730663568. Its totient is φ = 59122363138048.

The previous prime is 158445953685743. The next prime is 158445953685779. The reversal of 158445953685770 is 77586359544851.

It can be written as a sum of positive squares in 8 ways, for example, as 90786461845249 + 67659491840521 = 9528193^2 + 8225539^2 .

It is a junction number, because it is equal to n+sod(n) for n = 158445953685691 and 158445953685700.

It is not an unprimeable number, because it can be changed into a prime (158445953685779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4124029559 + ... + 4124067978.

Almost surely, 2^{158445953685770} is an apocalyptic number.

158445953685770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158445953685770 is a deficient number, since it is larger than the sum of its proper divisors (146205776977798).

158445953685770 is a wasteful number, since it uses less digits than its factorization.

158445953685770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8248097674.

The product of its (nonzero) digits is 5080320000, while the sum is 77.

The spelling of 158445953685770 in words is "one hundred fifty-eight trillion, four hundred forty-five billion, nine hundred fifty-three million, six hundred eighty-five thousand, seven hundred seventy".