145167787 has 2 divisors, whose sum is σ = 145167788. Its totient is φ = 145167786.

The previous prime is 145167773. The next prime is 145167829. The reversal of 145167787 is 787761541.

145167787 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-145167787 is a prime.

It is not a weakly prime, because it can be changed into another prime (145167767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72583893 + 72583894.

It is an arithmetic number, because the mean of its divisors is an integer number (72583894).

Almost surely, 2^145167787 is an apocalyptic number.

145167787 is a deficient number, since it is larger than the sum of its proper divisors (1).

145167787 is an equidigital number, since it uses as much as digits as its factorization.

145167787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329280, while the sum is 46.

The square root of 145167787 is about 12048.5595404596. The cubic root of 145167787 is about 525.5613490799.

The spelling of 145167787 in words is "one hundred forty-five million, one hundred sixty-seven thousand, seven hundred eighty-seven".