100745399 has 2 divisors, whose sum is σ = 100745400. Its totient is φ = 100745398.

The previous prime is 100745389. The next prime is 100745423. The reversal of 100745399 is 993547001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100745399 - 2¹⁶ = 100679863 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100745389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50372699 + 50372700.

It is an arithmetic number, because the mean of its divisors is an integer number (50372700).

Almost surely, 2^100745399 is an apocalyptic number.

100745399 is a deficient number, since it is larger than the sum of its proper divisors (1).

100745399 is an equidigital number, since it uses as much as digits as its factorization.

100745399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 100745399 is about 10037.2007551907. The cubic root of 100745399 is about 465.3093082184.

The spelling of 100745399 in words is "one hundred million, seven hundred forty-five thousand, three hundred ninety-nine".