145184513 has 4 divisors (see below), whose sum is σ = 146933808. Its totient is φ = 143435220.

The previous prime is 145184503. The next prime is 145184561. The reversal of 145184513 is 315481541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145184513 - 2⁴ = 145184497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145184513.

It is not an unprimeable number, because it can be changed into a prime (145184503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874523 + ... + 874688.

It is an arithmetic number, because the mean of its divisors is an integer number (36733452).

Almost surely, 2^145184513 is an apocalyptic number.

It is an amenable number.

145184513 is a deficient number, since it is larger than the sum of its proper divisors (1749295).

145184513 is an equidigital number, since it uses as much as digits as its factorization.

145184513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749294.

The product of its digits is 9600, while the sum is 32.

The square root of 145184513 is about 12049.2536283373. The cubic root of 145184513 is about 525.5815330838.

The spelling of 145184513 in words is "one hundred forty-five million, one hundred eighty-four thousand, five hundred thirteen".