145333243 has 16 divisors (see below), whose sum is σ = 161053920. Its totient is φ = 130048000.

The previous prime is 145333241. The next prime is 145333273. The reversal of 145333243 is 342333541.

It is a cyclic number.

It is not a de Polignac number, because 145333243 - 2¹ = 145333241 is a prime.

It is a super-2 number, since 2×145333243² = 42243503041794098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145333241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285273 + ... + 285781.

It is an arithmetic number, because the mean of its divisors is an integer number (10065870).

Almost surely, 2^145333243 is an apocalyptic number.

145333243 is a deficient number, since it is larger than the sum of its proper divisors (15720677).

145333243 is a wasteful number, since it uses less digits than its factorization.

145333243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878.

The product of its digits is 12960, while the sum is 28.

The square root of 145333243 is about 12055.4238000993. The cubic root of 145333243 is about 525.7609440097.

Adding to 145333243 its reverse (342333541), we get a palindrome (487666784).

The spelling of 145333243 in words is "one hundred forty-five million, three hundred thirty-three thousand, two hundred forty-three".