100146505 has 8 divisors (see below), whose sum is σ = 120252672. Its totient is φ = 80065968.

The previous prime is 100146503. The next prime is 100146533. The reversal of 100146505 is 505641001.

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 100146505 - 2¹ = 100146503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100146503) 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, 3622 + ... + 14608.

It is an arithmetic number, because the mean of its divisors is an integer number (15031584).

Almost surely, 2^100146505 is an apocalyptic number.

It is an amenable number.

100146505 is a deficient number, since it is larger than the sum of its proper divisors (20106167).

100146505 is a wasteful number, since it uses less digits than its factorization.

100146505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12815.

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

The square root of 100146505 is about 10007.3225689992. The cubic root of 100146505 is about 464.3854447467.

Adding to 100146505 its reverse (505641001), we get a palindrome (605787506).

The spelling of 100146505 in words is "one hundred million, one hundred forty-six thousand, five hundred five".