100145201 has 8 divisors (see below), whose sum is σ = 108162600. Its totient is φ = 92172672.

The previous prime is 100145189. The next prime is 100145239. The reversal of 100145201 is 102541001.

It can be written as a sum of positive squares in 4 ways, for example, as 34210801 + 65934400 = 5849^2 + 8120^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100145201 - 2²⁶ = 33036337 is a prime.

It is a super-2 number, since 2×100145201² = 20058122566660802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100145281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6500 + ... + 15573.

It is an arithmetic number, because the mean of its divisors is an integer number (13520325).

Almost surely, 2^100145201 is an apocalyptic number.

It is an amenable number.

100145201 is a deficient number, since it is larger than the sum of its proper divisors (8017399).

100145201 is a wasteful number, since it uses less digits than its factorization.

100145201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22435.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 100145201 is about 10007.2574164953. The cubic root of 100145201 is about 464.3834291621.

Adding to 100145201 its reverse (102541001), we get a palindrome (202686202).

The spelling of 100145201 in words is "one hundred million, one hundred forty-five thousand, two hundred one".