145344345 has 8 divisors (see below), whose sum is σ = 232550976. Its totient is φ = 77516976.

The previous prime is 145344323. The next prime is 145344349. The reversal of 145344345 is 543443541.

It is a happy number.

145344345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145344345 - 2⁷ = 145344217 is a prime.

It is a super-2 number, since 2×145344345² = 42249957246958050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145344349) 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, 4844797 + ... + 4844826.

It is an arithmetic number, because the mean of its divisors is an integer number (29068872).

Almost surely, 2^145344345 is an apocalyptic number.

145344345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145344345 is a deficient number, since it is larger than the sum of its proper divisors (87206631).

145344345 is an equidigital number, since it uses as much as digits as its factorization.

145344345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9689631.

The product of its digits is 57600, while the sum is 33.

The square root of 145344345 is about 12055.8842479513. The cubic root of 145344345 is about 525.7743312872.

Adding to 145344345 its reverse (543443541), we get a palindrome (688787886).

The spelling of 145344345 in words is "one hundred forty-five million, three hundred forty-four thousand, three hundred forty-five".