100424145 has 16 divisors (see below), whose sum is σ = 160917120. Its totient is φ = 53480064.

The previous prime is 100424143. The next prime is 100424153. The reversal of 100424145 is 541424001.

It is a happy number.

It is not a de Polignac number, because 100424145 - 2¹ = 100424143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100424143) 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, 6301 + ... + 15509.

It is an arithmetic number, because the mean of its divisors is an integer number (10057320).

Almost surely, 2^100424145 is an apocalyptic number.

100424145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100424145 is a deficient number, since it is larger than the sum of its proper divisors (60492975).

100424145 is an equidigital number, since it uses as much as digits as its factorization.

100424145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9944.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 100424145 is about 10021.1848101909. The cubic root of 100424145 is about 464.8141933098.

Adding to 100424145 its reverse (541424001), we get a palindrome (641848146).

The spelling of 100424145 in words is "one hundred million, four hundred twenty-four thousand, one hundred forty-five".