145250243 has 2 divisors, whose sum is σ = 145250244. Its totient is φ = 145250242.

The previous prime is 145250233. The next prime is 145250251. The reversal of 145250243 is 342052541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145250243 - 2⁶ = 145250179 is a prime.

It is not a weakly prime, because it can be changed into another prime (145250233) 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, 72625121 + 72625122.

It is an arithmetic number, because the mean of its divisors is an integer number (72625122).

Almost surely, 2^145250243 is an apocalyptic number.

145250243 is a deficient number, since it is larger than the sum of its proper divisors (1).

145250243 is an equidigital number, since it uses as much as digits as its factorization.

145250243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 145250243 is about 12051.9808745285. The cubic root of 145250243 is about 525.6608373689.

The spelling of 145250243 in words is "one hundred forty-five million, two hundred fifty thousand, two hundred forty-three".