145051223 has 2 divisors, whose sum is σ = 145051224. Its totient is φ = 145051222.

The previous prime is 145051217. The next prime is 145051237. The reversal of 145051223 is 322150541.

145051223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145051223 - 2¹⁴ = 145034839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145051213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72525611 + 72525612.

It is an arithmetic number, because the mean of its divisors is an integer number (72525612).

Almost surely, 2^145051223 is an apocalyptic number.

145051223 is a deficient number, since it is larger than the sum of its proper divisors (1).

145051223 is an equidigital number, since it uses as much as digits as its factorization.

145051223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 145051223 is about 12043.7213102928. The cubic root of 145051223 is about 525.4206430768.

The spelling of 145051223 in words is "one hundred forty-five million, fifty-one thousand, two hundred twenty-three".