105494147 has 8 divisors (see below), whose sum is σ = 118797312. Its totient is φ = 92809800.

The previous prime is 105494119. The next prime is 105494159. The reversal of 105494147 is 741494501.

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

It is a cyclic number.

It is not a de Polignac number, because 105494147 - 2¹⁴ = 105477763 is a prime.

It is a super-2 number, since 2×105494147² = 22258030102515218, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105494167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154343 + ... + 155024.

It is an arithmetic number, because the mean of its divisors is an integer number (14849664).

Almost surely, 2^105494147 is an apocalyptic number.

105494147 is a deficient number, since it is larger than the sum of its proper divisors (13303165).

105494147 is a wasteful number, since it uses less digits than its factorization.

105494147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309409.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 105494147 is about 10271.0343685531. The cubic root of 105494147 is about 472.5083144772.

The spelling of 105494147 in words is "one hundred five million, four hundred ninety-four thousand, one hundred forty-seven".