145364777 has 2 divisors, whose sum is σ = 145364778. Its totient is φ = 145364776.

The previous prime is 145364771. The next prime is 145364783. The reversal of 145364777 is 777463541.

It is a balanced prime because it is at equal distance from previous prime (145364771) and next prime (145364783).

It can be written as a sum of positive squares in only one way, i.e., 110271001 + 35093776 = 10501^2 + 5924^2 .

It is an emirp because it is prime and its reverse (777463541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145364777 - 2⁸ = 145364521 is a prime.

It is a super-2 number, since 2×145364777² = 42261836784519458, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145364771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72682388 + 72682389.

It is an arithmetic number, because the mean of its divisors is an integer number (72682389).

Almost surely, 2^145364777 is an apocalyptic number.

It is an amenable number.

145364777 is a deficient number, since it is larger than the sum of its proper divisors (1).

145364777 is an equidigital number, since it uses as much as digits as its factorization.

145364777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 44.

The square root of 145364777 is about 12056.7316052071. The cubic root of 145364777 is about 525.7989673054.

The spelling of 145364777 in words is "one hundred forty-five million, three hundred sixty-four thousand, seven hundred seventy-seven".