18145288152 has 48 divisors (see below), whose sum is σ = 49149711000. Its totient is φ = 6047663616.

The previous prime is 18145288151. The next prime is 18145288229. The reversal of 18145288152 is 25188254181.

18145288152 is a `hidden beast` number, since 181 + 45 + 288 + 152 = 666.

It is a super-2 number, since 2×18145288152² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18145288098 and 18145288107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18145288151) 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, 1025799 + ... + 1043337.

Almost surely, 2^18145288152 is an apocalyptic number.

18145288152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18145288152 is an abundant number, since it is smaller than the sum of its proper divisors (31004422848).

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

18145288152 is a wasteful number, since it uses less digits than its factorization.

18145288152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31920 (or 31913 counting only the distinct ones).

The product of its digits is 204800, while the sum is 45.

The spelling of 18145288152 in words is "eighteen billion, one hundred forty-five million, two hundred eighty-eight thousand, one hundred fifty-two".