105157445 has 8 divisors (see below), whose sum is σ = 126403200. Its totient is φ = 83983120.

The previous prime is 105157439. The next prime is 105157447. The reversal of 105157445 is 544751501.

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

It is a de Polignac number, because none of the positive numbers 2^k-105157445 is a prime.

It is a super-2 number, since 2×105157445² = 22116176477856050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105157447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14561 + ... + 20550.

It is an arithmetic number, because the mean of its divisors is an integer number (15800400).

Almost surely, 2^105157445 is an apocalyptic number.

It is an amenable number.

105157445 is a deficient number, since it is larger than the sum of its proper divisors (21245755).

105157445 is an equidigital number, since it uses as much as digits as its factorization.

105157445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35715.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 105157445 is about 10254.6304175236. The cubic root of 105157445 is about 472.0050825963.

The spelling of 105157445 in words is "one hundred five million, one hundred fifty-seven thousand, four hundred forty-five".