100145401 has 2 divisors, whose sum is σ = 100145402. Its totient is φ = 100145400.

The previous prime is 100145341. The next prime is 100145417. The reversal of 100145401 is 104541001.

It is an a-pointer prime, because the next prime (100145417) can be obtained adding 100145401 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72267001 + 27878400 = 8501^2 + 5280^2 .

It is a cyclic number.

It is not a de Polignac number, because 100145401 - 2¹¹ = 100143353 is a prime.

It is not a weakly prime, because it can be changed into another prime (100145471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50072700 + 50072701.

It is an arithmetic number, because the mean of its divisors is an integer number (50072701).

Almost surely, 2^100145401 is an apocalyptic number.

It is an amenable number.

100145401 is a deficient number, since it is larger than the sum of its proper divisors (1).

100145401 is an equidigital number, since it uses as much as digits as its factorization.

100145401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 100145401 is about 10007.2674092381. The cubic root of 100145401 is about 464.3837383020.

Adding to 100145401 its reverse (104541001), we get a palindrome (204686402).

The spelling of 100145401 in words is "one hundred million, one hundred forty-five thousand, four hundred one".