100426745 has 16 divisors (see below), whose sum is σ = 122212800. Its totient is φ = 79216704.

The previous prime is 100426741. The next prime is 100426747. The reversal of 100426745 is 547624001.

It is a cyclic number.

It is not a de Polignac number, because 100426745 - 2² = 100426741 is a prime.

It is a super-2 number, since 2×100426745² = 20171062222590050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100426741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121022 + ... + 121848.

It is an arithmetic number, because the mean of its divisors is an integer number (7638300).

Almost surely, 2^100426745 is an apocalyptic number.

It is an amenable number.

100426745 is a deficient number, since it is larger than the sum of its proper divisors (21786055).

100426745 is a wasteful number, since it uses less digits than its factorization.

100426745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 100426745 is about 10021.3145345309. The cubic root of 100426745 is about 464.8182046508.

The spelling of 100426745 in words is "one hundred million, four hundred twenty-six thousand, seven hundred forty-five".