145014277 has 2 divisors, whose sum is σ = 145014278. Its totient is φ = 145014276.

The previous prime is 145014229. The next prime is 145014329. The reversal of 145014277 is 772410541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142706916 + 2307361 = 11946^2 + 1519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145014277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145014227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72507138 + 72507139.

It is an arithmetic number, because the mean of its divisors is an integer number (72507139).

Almost surely, 2^145014277 is an apocalyptic number.

It is an amenable number.

145014277 is a deficient number, since it is larger than the sum of its proper divisors (1).

145014277 is an equidigital number, since it uses as much as digits as its factorization.

145014277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 145014277 is about 12042.1873843584. The cubic root of 145014277 is about 525.3760293211.

The spelling of 145014277 in words is "one hundred forty-five million, fourteen thousand, two hundred seventy-seven".