100783045 has 8 divisors (see below), whose sum is σ = 131934240. Its totient is φ = 73296720.

The previous prime is 100783031. The next prime is 100783069. The reversal of 100783045 is 540387001.

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

It is not a de Polignac number, because 100783045 - 2¹⁵ = 100750277 is a prime.

It is a super-3 number, since 3×100783045³ (a number of 25 digits) contains 333 as substring.

It is a congruent 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, 916155 + ... + 916264.

It is an arithmetic number, because the mean of its divisors is an integer number (16491780).

Almost surely, 2^100783045 is an apocalyptic number.

It is an amenable number.

100783045 is a deficient number, since it is larger than the sum of its proper divisors (31151195).

100783045 is a wasteful number, since it uses less digits than its factorization.

100783045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832435.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 100783045 is about 10039.0759036876. The cubic root of 100783045 is about 465.3672590957.

The spelling of 100783045 in words is "one hundred million, seven hundred eighty-three thousand, forty-five".