145764847 has 2 divisors, whose sum is σ = 145764848. Its totient is φ = 145764846.

The previous prime is 145764833. The next prime is 145764943. The reversal of 145764847 is 748467541.

145764847 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145764847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145764797 and 145764806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145764247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72882423 + 72882424.

It is an arithmetic number, because the mean of its divisors is an integer number (72882424).

Almost surely, 2^145764847 is an apocalyptic number.

145764847 is a deficient number, since it is larger than the sum of its proper divisors (1).

145764847 is an equidigital number, since it uses as much as digits as its factorization.

145764847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 752640, while the sum is 46.

The square root of 145764847 is about 12073.3113519034. The cubic root of 145764847 is about 526.2808898917.

It can be divided in two parts, 145764 and 847, that added together give a triangular number (146611 = T₅₄₁).

The spelling of 145764847 in words is "one hundred forty-five million, seven hundred sixty-four thousand, eight hundred forty-seven".