100145388 has 24 divisors (see below), whose sum is σ = 267054592. Its totient is φ = 28612944.

The previous prime is 100145341. The next prime is 100145401. The reversal of 100145388 is 883541001.

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, 596020 + ... + 596187.

Almost surely, 2^100145388 is an apocalyptic number.

It is an amenable number.

100145388 is an abundant number, since it is smaller than the sum of its proper divisors (166909204).

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

100145388 is a wasteful number, since it uses less digits than its factorization.

100145388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192221 (or 1192219 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 100145388 is about 10007.2667597102. The cubic root of 100145388 is about 464.3837182079.

Adding to 100145388 its reverse (883541001), we get a palindrome (983686389).

The spelling of 100145388 in words is "one hundred million, one hundred forty-five thousand, three hundred eighty-eight".