145583500 has 24 divisors (see below), whose sum is σ = 317955456. Its totient is φ = 58233200.

The previous prime is 145583483. The next prime is 145583507. The reversal of 145583500 is 5385541.

145583500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145583507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145084 + ... + 146083.

It is an arithmetic number, because the mean of its divisors is an integer number (13248144).

Almost surely, 2^145583500 is an apocalyptic number.

145583500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145583500 is an abundant number, since it is smaller than the sum of its proper divisors (172371956).

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

145583500 is a wasteful number, since it uses less digits than its factorization.

145583500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291186 (or 291174 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 145583500 is about 12065.7987717349. The cubic root of 145583500 is about 526.0625494874.

The spelling of 145583500 in words is "one hundred forty-five million, five hundred eighty-three thousand, five hundred".