191159045 has 32 divisors (see below), whose sum is σ = 291859200. Its totient is φ = 119152320.

The previous prime is 191159027. The next prime is 191159047. The reversal of 191159045 is 540951191.

191159045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 191159045 - 2¹² = 191154949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 191158996 and 191159014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191159047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13799 + ... + 23931.

It is an arithmetic number, because the mean of its divisors is an integer number (9120600).

Almost surely, 2^191159045 is an apocalyptic number.

It is an amenable number.

191159045 is a deficient number, since it is larger than the sum of its proper divisors (100700155).

191159045 is a wasteful number, since it uses less digits than its factorization.

191159045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170 (or 10156 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 35.

The square root of 191159045 is about 13826.0278098954. The cubic root of 191159045 is about 576.0563266756.

The spelling of 191159045 in words is "one hundred ninety-one million, one hundred fifty-nine thousand, forty-five".