105450490 has 16 divisors (see below), whose sum is σ = 200976552. Its totient is φ = 39698944.

The previous prime is 105450479. The next prime is 105450497. The reversal of 105450490 is 94054501.

It can be written as a sum of positive squares in 4 ways, for example, as 104919049 + 531441 = 10243^2 + 729^2 .

It is a super-2 number, since 2×105450490² = 22239611682480200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105450497) 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, 309979 + ... + 310318.

Almost surely, 2^105450490 is an apocalyptic number.

105450490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105450490 is a deficient number, since it is larger than the sum of its proper divisors (95526062).

105450490 is a wasteful number, since it uses less digits than its factorization.

105450490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620321.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 105450490 is about 10268.9089001705. The cubic root of 105450490 is about 472.4431255788.

The spelling of 105450490 in words is "one hundred five million, four hundred fifty thousand, four hundred ninety".