100065145 has 8 divisors (see below), whose sum is σ = 127141704. Its totient is φ = 75343104.

The previous prime is 100065137. The next prime is 100065149. The reversal of 100065145 is 541560001.

It can be written as a sum of positive squares in 4 ways, for example, as 47183161 + 52881984 = 6869^2 + 7272^2 .

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 100065145 - 2³ = 100065137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100065149) 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, 588534 + ... + 588703.

It is an arithmetic number, because the mean of its divisors is an integer number (15892713).

Almost surely, 2^100065145 is an apocalyptic number.

It is an amenable number.

100065145 is a deficient number, since it is larger than the sum of its proper divisors (27076559).

100065145 is a wasteful number, since it uses less digits than its factorization.

100065145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177259.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 100065145 is about 10003.2567196888. The cubic root of 100065145 is about 464.2596535837.

It can be divided in two parts, 10006 and 5145, that added together give a palindrome (15151).

The spelling of 100065145 in words is "one hundred million, sixty-five thousand, one hundred forty-five".