145963273 has 2 divisors, whose sum is σ = 145963274. Its totient is φ = 145963272.

The previous prime is 145963243. The next prime is 145963327. The reversal of 145963273 is 372369541.

It is a happy number.

Together with next prime (145963327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92775424 + 53187849 = 9632^2 + 7293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145963273 is a prime.

It is not a weakly prime, because it can be changed into another prime (145963243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72981636 + 72981637.

It is an arithmetic number, because the mean of its divisors is an integer number (72981637).

Almost surely, 2^145963273 is an apocalyptic number.

It is an amenable number.

145963273 is a deficient number, since it is larger than the sum of its proper divisors (1).

145963273 is an equidigital number, since it uses as much as digits as its factorization.

145963273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 145963273 is about 12081.5261039324. The cubic root of 145963273 is about 526.5195859029.

The spelling of 145963273 in words is "one hundred forty-five million, nine hundred sixty-three thousand, two hundred seventy-three".