145064377 has 2 divisors, whose sum is σ = 145064378. Its totient is φ = 145064376.

The previous prime is 145064371. The next prime is 145064443. The reversal of 145064377 is 773460541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99420841 + 45643536 = 9971^2 + 6756^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145064377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145064371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72532188 + 72532189.

It is an arithmetic number, because the mean of its divisors is an integer number (72532189).

Almost surely, 2^145064377 is an apocalyptic number.

It is an amenable number.

145064377 is a deficient number, since it is larger than the sum of its proper divisors (1).

145064377 is an equidigital number, since it uses as much as digits as its factorization.

145064377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 145064377 is about 12044.2673915851. The cubic root of 145064377 is about 525.4365252231.

The spelling of 145064377 in words is "one hundred forty-five million, sixty-four thousand, three hundred seventy-seven".