7145377 has 2 divisors, whose sum is σ = 7145378. Its totient is φ = 7145376.

The previous prime is 7145291. The next prime is 7145393. The reversal of 7145377 is 7735417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4016016 + 3129361 = 2004^2 + 1769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7145377 is a prime.

It is not a weakly prime, because it can be changed into another prime (7143377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572688 + 3572689.

It is an arithmetic number, because the mean of its divisors is an integer number (3572689).

Almost surely, 2^7145377 is an apocalyptic number.

It is an amenable number.

7145377 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145377 is an equidigital number, since it uses as much as digits as its factorization.

7145377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20580, while the sum is 34.

The square root of 7145377 is about 2673.0837996591. The cubic root of 7145377 is about 192.6083226847.

The spelling of 7145377 in words is "seven million, one hundred forty-five thousand, three hundred seventy-seven".