145783907 has 2 divisors, whose sum is σ = 145783908. Its totient is φ = 145783906.

The previous prime is 145783879. The next prime is 145783933. The reversal of 145783907 is 709387541.

It is a strong prime.

It is an emirp because it is prime and its reverse (709387541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145783907 - 2¹⁶ = 145718371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145783307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72891953 + 72891954.

It is an arithmetic number, because the mean of its divisors is an integer number (72891954).

Almost surely, 2^145783907 is an apocalyptic number.

145783907 is a deficient number, since it is larger than the sum of its proper divisors (1).

145783907 is an equidigital number, since it uses as much as digits as its factorization.

145783907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 145783907 is about 12074.1006704433. The cubic root of 145783907 is about 526.3038274673.

The spelling of 145783907 in words is "one hundred forty-five million, seven hundred eighty-three thousand, nine hundred seven".