100344545 has 16 divisors (see below), whose sum is σ = 139950720. Its totient is φ = 67640064.

The previous prime is 100344539. The next prime is 100344547. The reversal of 100344545 is 545443001.

It is a cyclic number.

It is not a de Polignac number, because 100344545 - 2⁸ = 100344289 is a prime.

It is a super-2 number, since 2×100344545² = 20138055422514050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100344547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22232 + ... + 26361.

It is an arithmetic number, because the mean of its divisors is an integer number (8746920).

Almost surely, 2^100344545 is an apocalyptic number.

It is an amenable number.

100344545 is a deficient number, since it is larger than the sum of its proper divisors (39606175).

100344545 is an equidigital number, since it uses as much as digits as its factorization.

100344545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48664.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 100344545 is about 10017.2124366013. The cubic root of 100344545 is about 464.6913510400.

Adding to 100344545 its reverse (545443001), we get a palindrome (645787546).

The spelling of 100344545 in words is "one hundred million, three hundred forty-four thousand, five hundred forty-five".