100140145 has 8 divisors (see below), whose sum is σ = 137335104. Its totient is φ = 68667504.

The previous prime is 100140133. The next prime is 100140179. The reversal of 100140145 is 541041001.

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 100140145 - 2⁵ = 100140113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430539 + ... + 1430608.

It is an arithmetic number, because the mean of its divisors is an integer number (17166888).

Almost surely, 2^100140145 is an apocalyptic number.

It is an amenable number.

100140145 is a deficient number, since it is larger than the sum of its proper divisors (37194959).

100140145 is an equidigital number, since it uses as much as digits as its factorization.

100140145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861159.

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

The square root of 100140145 is about 10007.0047966412. The cubic root of 100140145 is about 464.3756139694.

Adding to 100140145 its reverse (541041001), we get a palindrome (641181146).

The spelling of 100140145 in words is "one hundred million, one hundred forty thousand, one hundred forty-five".