145237343 has 4 divisors (see below), whose sum is σ = 145417680. Its totient is φ = 145057008.

The previous prime is 145237333. The next prime is 145237361. The reversal of 145237343 is 343732541.

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 145237343 - 2²⁰ = 144188767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145237333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88955 + ... + 90572.

It is an arithmetic number, because the mean of its divisors is an integer number (36354420).

Almost surely, 2^145237343 is an apocalyptic number.

145237343 is a deficient number, since it is larger than the sum of its proper divisors (180337).

145237343 is an equidigital number, since it uses as much as digits as its factorization.

145237343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180336.

The product of its digits is 30240, while the sum is 32.

The square root of 145237343 is about 12051.4456809131. The cubic root of 145237343 is about 525.6452752020.

Adding to 145237343 its reverse (343732541), we get a palindrome (488969884).

The spelling of 145237343 in words is "one hundred forty-five million, two hundred thirty-seven thousand, three hundred forty-three".