105214253145 has 8 divisors (see below), whose sum is σ = 168342805056. Its totient is φ = 56114268336.

The previous prime is 105214253101. The next prime is 105214253153. The reversal of 105214253145 is 541352412501.

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

It is not a de Polignac number, because 105214253145 - 2¹³ = 105214244953 is a prime.

It is a super-2 number, since 2×105214253145² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3507141757 + ... + 3507141786.

It is an arithmetic number, because the mean of its divisors is an integer number (21042850632).

Almost surely, 2^105214253145 is an apocalyptic number.

105214253145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105214253145 is a deficient number, since it is larger than the sum of its proper divisors (63128551911).

105214253145 is an equidigital number, since it uses as much as digits as its factorization.

105214253145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014283551.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 105214253145 its reverse (541352412501), we get a palindrome (646566665646).

The spelling of 105214253145 in words is "one hundred five billion, two hundred fourteen million, two hundred fifty-three thousand, one hundred forty-five".