105045451 has 8 divisors (see below), whose sum is σ = 120128000. Its totient is φ = 89981928.

The previous prime is 105045449. The next prime is 105045491. The reversal of 105045451 is 154540501.

It is a happy number.

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 105045451 - 2¹ = 105045449 is a prime.

It is a super-2 number, since 2×105045451² = 22069093551586802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105045491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10240 + ... + 17746.

It is an arithmetic number, because the mean of its divisors is an integer number (15016000).

Almost surely, 2^105045451 is an apocalyptic number.

105045451 is a deficient number, since it is larger than the sum of its proper divisors (15082549).

105045451 is an equidigital number, since it uses as much as digits as its factorization.

105045451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9513.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 105045451 is about 10249.1683077214. The cubic root of 105045451 is about 471.8374592944.

Adding to 105045451 its reverse (154540501), we get a palindrome (259585952).

The spelling of 105045451 in words is "one hundred five million, forty-five thousand, four hundred fifty-one".