145330343 has 4 divisors (see below), whose sum is σ = 145354968. Its totient is φ = 145305720.

The previous prime is 145330333. The next prime is 145330357. The reversal of 145330343 is 343033541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343033541 = 223 ⋅1538267.

It is a cyclic number.

It is not a de Polignac number, because 145330343 - 2⁴ = 145330327 is a prime.

It is a super-2 number, since 2×145330343² = 42241817192995298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145330333) 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, 2405 + ... + 17217.

It is an arithmetic number, because the mean of its divisors is an integer number (36338742).

Almost surely, 2^145330343 is an apocalyptic number.

145330343 is a deficient number, since it is larger than the sum of its proper divisors (24625).

145330343 is an equidigital number, since it uses as much as digits as its factorization.

145330343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24624.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 145330343 is about 12055.3035216870. The cubic root of 145330343 is about 525.7574469505.

Adding to 145330343 its reverse (343033541), we get a palindrome (488363884).

The spelling of 145330343 in words is "one hundred forty-five million, three hundred thirty thousand, three hundred forty-three".