105145552450 has 48 divisors (see below), whose sum is σ = 196902576000. Its totient is φ = 41772731840.

The previous prime is 105145552439. The next prime is 105145552453. The reversal of 105145552450 is 54255541501.

It is a super-2 number, since 2×105145552450² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105145552453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4637241 + ... + 4659859.

It is an arithmetic number, because the mean of its divisors is an integer number (4102137000).

Almost surely, 2^105145552450 is an apocalyptic number.

105145552450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105145552450 is a deficient number, since it is larger than the sum of its proper divisors (91757023550).

105145552450 is a wasteful number, since it uses less digits than its factorization.

105145552450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23259 (or 23254 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 105145552450 in words is "one hundred five billion, one hundred forty-five million, five hundred fifty-two thousand, four hundred fifty".