100667745 has 32 divisors (see below), whose sum is σ = 180576000. Its totient is φ = 53206272.

The previous prime is 100667741. The next prime is 100667753. The reversal of 100667745 is 547766001.

It is not a de Polignac number, because 100667745 - 2² = 100667741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100667741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11956 + ... + 18554.

It is an arithmetic number, because the mean of its divisors is an integer number (5643000).

Almost surely, 2^100667745 is an apocalyptic number.

100667745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100667745 is a deficient number, since it is larger than the sum of its proper divisors (79908255).

100667745 is a wasteful number, since it uses less digits than its factorization.

100667745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6726 (or 6720 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 100667745 is about 10033.3316998891. The cubic root of 100667745 is about 465.1897248690.

The spelling of 100667745 in words is "one hundred million, six hundred sixty-seven thousand, seven hundred forty-five".