18148100 has 36 divisors (see below), whose sum is σ = 39570384. Its totient is φ = 7224480.

The previous prime is 18148073. The next prime is 18148103. The reversal of 18148100 is 184181.

18148100 = T₄₁₅ + T₄₁₆ + ... + T₅₆₄.

It is a super-2 number, since 2×18148100² = 658707067220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18148103) 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, 34439 + ... + 34961.

Almost surely, 2^18148100 is an apocalyptic number.

18148100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18148100 is an abundant number, since it is smaller than the sum of its proper divisors (21422284).

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

18148100 is a wasteful number, since it uses less digits than its factorization.

18148100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 18148100 is about 4260.0586850418. The cubic root of 18148100 is about 262.7909397029.

The spelling of 18148100 in words is "eighteen million, one hundred forty-eight thousand, one hundred".