100155426 has 16 divisors (see below), whose sum is σ = 228926784. Its totient is φ = 28615824.

The previous prime is 100155383. The next prime is 100155437. The reversal of 100155426 is 624551001.

It is a super-2 number, since 2×100155426² = 20062218714482952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100155396 and 100155405.

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, 1192285 + ... + 1192368.

It is an arithmetic number, because the mean of its divisors is an integer number (14307924).

Almost surely, 2^100155426 is an apocalyptic number.

100155426 is an abundant number, since it is smaller than the sum of its proper divisors (128771358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100155426 is a wasteful number, since it uses less digits than its factorization.

100155426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384665.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 100155426 is about 10007.7682826892. The cubic root of 100155426 is about 464.3992334108.

The spelling of 100155426 in words is "one hundred million, one hundred fifty-five thousand, four hundred twenty-six".