145582243 has 2 divisors, whose sum is σ = 145582244. Its totient is φ = 145582242.

The previous prime is 145582211. The next prime is 145582277. The reversal of 145582243 is 342285541.

It is an a-pointer prime, because the next prime (145582277) can be obtained adding 145582243 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145582243 - 2⁵ = 145582211 is a prime.

It is a super-2 number, since 2×145582243² = 42388378953822098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145582199 and 145582208.

It is not a weakly prime, because it can be changed into another prime (145588243) 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 as a sum of consecutive naturals, namely, 72791121 + 72791122.

It is an arithmetic number, because the mean of its divisors is an integer number (72791122).

Almost surely, 2^145582243 is an apocalyptic number.

145582243 is a deficient number, since it is larger than the sum of its proper divisors (1).

145582243 is an equidigital number, since it uses as much as digits as its factorization.

145582243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 34.

The square root of 145582243 is about 12065.7466822406. The cubic root of 145582243 is about 526.0610354364.

The spelling of 145582243 in words is "one hundred forty-five million, five hundred eighty-two thousand, two hundred forty-three".