105397450 has 24 divisors (see below), whose sum is σ = 207572652. Its totient is φ = 39678720.

The previous prime is 105397421. The next prime is 105397463. The reversal of 105397450 is 54793501.

It can be written as a sum of positive squares in 6 ways, for example, as 36324729 + 69072721 = 6027^2 + 8311^2 .

It is a super-2 number, since 2×105397450² = 22217244933005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61149 + ... + 62848.

Almost surely, 2^105397450 is an apocalyptic number.

105397450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105397450 is a deficient number, since it is larger than the sum of its proper divisors (102175202).

105397450 is a wasteful number, since it uses less digits than its factorization.

105397450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124026 (or 124021 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 105397450 is about 10266.3260224873. The cubic root of 105397450 is about 472.3639017146.

The spelling of 105397450 in words is "one hundred five million, three hundred ninety-seven thousand, four hundred fifty".