105253450 has 12 divisors (see below), whose sum is σ = 195771510. Its totient is φ = 42101360.

The previous prime is 105253433. The next prime is 105253457. The reversal of 105253450 is 54352501.

It can be written as a sum of positive squares in 3 ways, for example, as 89737729 + 15515721 = 9473^2 + 3939^2 .

It is a super-2 number, since 2×105253450² = 22156577473805000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (105253457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1052485 + ... + 1052584.

Almost surely, 2^105253450 is an apocalyptic number.

105253450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105253450 is a deficient number, since it is larger than the sum of its proper divisors (90518060).

105253450 is a wasteful number, since it uses less digits than its factorization.

105253450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105081 (or 2105076 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 105253450 is about 10259.3104056754. The cubic root of 105253450 is about 472.1486801789.

The spelling of 105253450 in words is "one hundred five million, two hundred fifty-three thousand, four hundred fifty".