100455645 has 8 divisors (see below), whose sum is σ = 160729056. Its totient is φ = 53576336.

The previous prime is 100455643. The next prime is 100455673. The reversal of 100455645 is 546554001.

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 100455645 - 2¹ = 100455643 is a prime.

It is a super-2 number, since 2×100455645² = 20182673224732050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100455643) 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, 3348507 + ... + 3348536.

It is an arithmetic number, because the mean of its divisors is an integer number (20091132).

Almost surely, 2^100455645 is an apocalyptic number.

100455645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100455645 is a deficient number, since it is larger than the sum of its proper divisors (60273411).

100455645 is an equidigital number, since it uses as much as digits as its factorization.

100455645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6697051.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 100455645 is about 10022.7563574099. The cubic root of 100455645 is about 464.8627875879.

The spelling of 100455645 in words is "one hundred million, four hundred fifty-five thousand, six hundred forty-five".