105149769 has 8 divisors (see below), whose sum is σ = 140269920. Its totient is φ = 70064736.

The previous prime is 105149761. The next prime is 105149771. The reversal of 105149769 is 967941501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105149769 - 2³ = 105149761 is a prime.

It is a super-2 number, since 2×105149769² = 22112947841506722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105149769.

It is not an unprimeable number, because it can be changed into a prime (105149761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739 + ... + 14520.

It is an arithmetic number, because the mean of its divisors is an integer number (17533740).

Almost surely, 2^105149769 is an apocalyptic number.

It is an amenable number.

105149769 is a deficient number, since it is larger than the sum of its proper divisors (35120151).

105149769 is a wasteful number, since it uses less digits than its factorization.

105149769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17559.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 105149769 is about 10254.2561407447. The cubic root of 105149769 is about 471.9935975982.

The spelling of 105149769 in words is "one hundred five million, one hundred forty-nine thousand, seven hundred sixty-nine".