100770145 has 8 divisors (see below), whose sum is σ = 138199104. Its totient is φ = 69099504.

The previous prime is 100770143. The next prime is 100770151. The reversal of 100770145 is 541077001.

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 100770145 - 2¹ = 100770143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100770143) 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, 1439539 + ... + 1439608.

It is an arithmetic number, because the mean of its divisors is an integer number (17274888).

Almost surely, 2^100770145 is an apocalyptic number.

It is an amenable number.

100770145 is a deficient number, since it is larger than the sum of its proper divisors (37428959).

100770145 is an equidigital number, since it uses as much as digits as its factorization.

100770145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879159.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 100770145 is about 10038.4333937124. The cubic root of 100770145 is about 465.3474029324.

The spelling of 100770145 in words is "one hundred million, seven hundred seventy thousand, one hundred forty-five".