144932773 has 2 divisors, whose sum is σ = 144932774. Its totient is φ = 144932772.

The previous prime is 144932761. The next prime is 144932849. The reversal of 144932773 is 377239441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110628324 + 34304449 = 10518^2 + 5857^2 .

It is an emirp because it is prime and its reverse (377239441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144932773 - 2²⁵ = 111378341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144932713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72466386 + 72466387.

It is an arithmetic number, because the mean of its divisors is an integer number (72466387).

Almost surely, 2^144932773 is an apocalyptic number.

It is an amenable number.

144932773 is a deficient number, since it is larger than the sum of its proper divisors (1).

144932773 is an equidigital number, since it uses as much as digits as its factorization.

144932773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 144932773 is about 12038.8028059272. The cubic root of 144932773 is about 525.2775832151.

The spelling of 144932773 in words is "one hundred forty-four million, nine hundred thirty-two thousand, seven hundred seventy-three".