100149930 has 24 divisors (see below), whose sum is σ = 260390052. Its totient is φ = 26706624.

The previous prime is 100149901. The next prime is 100149937. The reversal of 100149930 is 39941001.

It can be written as a sum of positive squares in 2 ways, for example, as 97357689 + 2792241 = 9867^2 + 1671^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100149894 and 100149903.

It is not an unprimeable number, because it can be changed into a prime (100149937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 556299 + ... + 556478.

Almost surely, 2^100149930 is an apocalyptic number.

100149930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100149930 is an abundant number, since it is smaller than the sum of its proper divisors (160240122).

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

100149930 is a wasteful number, since it uses less digits than its factorization.

100149930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112790 (or 1112787 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 100149930 is about 10007.4936922288. The cubic root of 100149930 is about 464.3907386642.

The spelling of 100149930 in words is "one hundred million, one hundred forty-nine thousand, nine hundred thirty".