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105141149 = 4315116193
BaseRepresentation
bin1100100010001…
…01001110011101
321022211201112122
412101011032131
5203404004044
614233312325
72414453651
oct621051635
9238751478
10105141149
1154393113
122b2656a5
1318a238c9
14dd6ca61
15936cdee
hex644539d

105141149 has 8 divisors (see below), whose sum is σ = 108305472. Its totient is φ = 102009600.

The previous prime is 105141143. The next prime is 105141151. The reversal of 105141149 is 941141501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105141149 is a prime.

It is a super-2 number, since 2×1051411492 = 22109322426080402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105141143) 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, 1604 + ... + 14589.

It is an arithmetic number, because the mean of its divisors is an integer number (13538184).

Almost surely, 2105141149 is an apocalyptic number.

It is an amenable number.

105141149 is a deficient number, since it is larger than the sum of its proper divisors (3164323).

105141149 is a wasteful number, since it uses less digits than its factorization.

105141149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16387.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 105141149 is about 10253.8358188534. The cubic root of 105141149 is about 471.9806995005.

The spelling of 105141149 in words is "one hundred five million, one hundred forty-one thousand, one hundred forty-nine".

Divisors: 1 43 151 6493 16193 696299 2445143 105141149