230145500 has 48 divisors (see below), whose sum is σ = 541317504. Its totient is φ = 84974400.

The previous prime is 230145493. The next prime is 230145523. The reversal of 230145500 is 5541032.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11204 + ... + 24203.

It is an arithmetic number, because the mean of its divisors is an integer number (11277448).

Almost surely, 2^230145500 is an apocalyptic number.

230145500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230145500 is an abundant number, since it is smaller than the sum of its proper divisors (311172004).

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

230145500 is a wasteful number, since it uses less digits than its factorization.

230145500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35439 (or 35427 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 230145500 is about 15170.5471226321. The cubic root of 230145500 is about 612.8217385038.

Adding to 230145500 its reverse (5541032), we get a palindrome (235686532).

The spelling of 230145500 in words is "two hundred thirty million, one hundred forty-five thousand, five hundred".