145183387 has 2 divisors, whose sum is σ = 145183388. Its totient is φ = 145183386.

The previous prime is 145183343. The next prime is 145183391. The reversal of 145183387 is 783381541.

145183387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145183387 is a prime.

It is not a weakly prime, because it can be changed into another prime (145183397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72591693 + 72591694.

It is an arithmetic number, because the mean of its divisors is an integer number (72591694).

Almost surely, 2^145183387 is an apocalyptic number.

145183387 is a deficient number, since it is larger than the sum of its proper divisors (1).

145183387 is an equidigital number, since it uses as much as digits as its factorization.

145183387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 40.

The square root of 145183387 is about 12049.2069033609. The cubic root of 145183387 is about 525.5801743385.

The spelling of 145183387 in words is "one hundred forty-five million, one hundred eighty-three thousand, three hundred eighty-seven".