109375450 has 24 divisors (see below), whose sum is σ = 215406972. Its totient is φ = 41176320.

The previous prime is 109375397. The next prime is 109375451. The reversal of 109375450 is 54573901.

It can be written as a sum of positive squares in 6 ways, for example, as 75047569 + 34327881 = 8663^2 + 5859^2 .

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

It is not an unprimeable number, because it can be changed into a prime (109375451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63489 + ... + 65188.

Almost surely, 2^109375450 is an apocalyptic number.

109375450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109375450 is a deficient number, since it is larger than the sum of its proper divisors (106031522).

109375450 is a wasteful number, since it uses less digits than its factorization.

109375450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128706 (or 128701 counting only the distinct ones).

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

The square root of 109375450 is about 10458.2718457688. The cubic root of 109375450 is about 478.2334515543.

The spelling of 109375450 in words is "one hundred nine million, three hundred seventy-five thousand, four hundred fifty".