145544345 has 8 divisors (see below), whose sum is σ = 182246976. Its totient is φ = 111372976.

The previous prime is 145544309. The next prime is 145544369. The reversal of 145544345 is 543445541.

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

It is a cyclic number.

It is not a de Polignac number, because 145544345 - 2¹² = 145540249 is a prime.

It is a super-2 number, since 2×145544345² = 42366312722958050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 632687 + ... + 632916.

It is an arithmetic number, because the mean of its divisors is an integer number (22780872).

Almost surely, 2^145544345 is an apocalyptic number.

It is an amenable number.

145544345 is a deficient number, since it is larger than the sum of its proper divisors (36702631).

145544345 is a wasteful number, since it uses less digits than its factorization.

145544345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265631.

The product of its digits is 96000, while the sum is 35.

The square root of 145544345 is about 12064.1761011683. The cubic root of 145544345 is about 526.0153833685.

Adding to 145544345 its reverse (543445541), we get a palindrome (688989886).

The spelling of 145544345 in words is "one hundred forty-five million, five hundred forty-four thousand, three hundred forty-five".