145324203 has 4 divisors (see below), whose sum is σ = 193765608. Its totient is φ = 96882800.

The previous prime is 145324199. The next prime is 145324237. The reversal of 145324203 is 302423541.

145324203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145324203 - 2² = 145324199 is a prime.

It is a super-2 number, since 2×145324203² = 42238247955170418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145324243) 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, 24220698 + ... + 24220703.

It is an arithmetic number, because the mean of its divisors is an integer number (48441402).

Almost surely, 2^145324203 is an apocalyptic number.

145324203 is a deficient number, since it is larger than the sum of its proper divisors (48441405).

145324203 is an equidigital number, since it uses as much as digits as its factorization.

145324203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48441404.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 145324203 is about 12055.0488592954. The cubic root of 145324203 is about 525.7500426784.

Adding to 145324203 its reverse (302423541), we get a palindrome (447747744).

The spelling of 145324203 in words is "one hundred forty-five million, three hundred twenty-four thousand, two hundred three".