158045653505 has 4 divisors (see below), whose sum is σ = 189654784212. Its totient is φ = 126436522800.

The previous prime is 158045653501. The next prime is 158045653511. The reversal of 158045653505 is 505356540851.

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

It can be written as a sum of positive squares in 2 ways, for example, as 57769564609 + 100276088896 = 240353^2 + 316664^2 .

It is not a de Polignac number, because 158045653505 - 2² = 158045653501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 158045653505.

It is not an unprimeable number, because it can be changed into a prime (158045653501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15804565346 + ... + 15804565355.

It is an arithmetic number, because the mean of its divisors is an integer number (47413696053).

Almost surely, 2^158045653505 is an apocalyptic number.

It is an amenable number.

158045653505 is a deficient number, since it is larger than the sum of its proper divisors (31609130707).

158045653505 is an equidigital number, since it uses as much as digits as its factorization.

158045653505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31609130706.

The product of its (nonzero) digits is 1800000, while the sum is 47.

The spelling of 158045653505 in words is "one hundred fifty-eight billion, forty-five million, six hundred fifty-three thousand, five hundred five".