145722263 has 2 divisors, whose sum is σ = 145722264. Its totient is φ = 145722262.

The previous prime is 145722259. The next prime is 145722293. The reversal of 145722263 is 362227541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145722263 - 2² = 145722259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145722223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72861131 + 72861132.

It is an arithmetic number, because the mean of its divisors is an integer number (72861132).

Almost surely, 2^145722263 is an apocalyptic number.

145722263 is a deficient number, since it is larger than the sum of its proper divisors (1).

145722263 is an equidigital number, since it uses as much as digits as its factorization.

145722263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 145722263 is about 12071.5476638250. The cubic root of 145722263 is about 526.2296353571.

The spelling of 145722263 in words is "one hundred forty-five million, seven hundred twenty-two thousand, two hundred sixty-three".