105453531 has 24 divisors (see below), whose sum is σ = 155361024. Its totient is φ = 68911920.

The previous prime is 105453527. The next prime is 105453539. The reversal of 105453531 is 135354501.

It is not a de Polignac number, because 105453531 - 2² = 105453527 is a prime.

It is a super-2 number, since 2×105453531² = 22240894400735922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105453495 and 105453504.

It is not an unprimeable number, because it can be changed into a prime (105453539) 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, 144690 + ... + 145416.

It is an arithmetic number, because the mean of its divisors is an integer number (6473376).

Almost surely, 2^105453531 is an apocalyptic number.

105453531 is a deficient number, since it is larger than the sum of its proper divisors (49907493).

105453531 is a wasteful number, since it uses less digits than its factorization.

105453531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 105453531 is about 10269.0569674143. The cubic root of 105453531 is about 472.4476670014.

The spelling of 105453531 in words is "one hundred five million, four hundred fifty-three thousand, five hundred thirty-one".