145167773 has 2 divisors, whose sum is σ = 145167774. Its totient is φ = 145167772.

The previous prime is 145167767. The next prime is 145167787. The reversal of 145167773 is 377761541.

145167773 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 can be written as a sum of positive squares in only one way, i.e., 133587364 + 11580409 = 11558^2 + 3403^2 .

It is a cyclic number.

It is not a de Polignac number, because 145167773 - 2²⁶ = 78058909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145167773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145163773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72583886 + 72583887.

It is an arithmetic number, because the mean of its divisors is an integer number (72583887).

Almost surely, 2^145167773 is an apocalyptic number.

It is an amenable number.

145167773 is a deficient number, since it is larger than the sum of its proper divisors (1).

145167773 is an equidigital number, since it uses as much as digits as its factorization.

145167773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123480, while the sum is 41.

The square root of 145167773 is about 12048.5589594773. The cubic root of 145167773 is about 525.5613321849.

The spelling of 145167773 in words is "one hundred forty-five million, one hundred sixty-seven thousand, seven hundred seventy-three".