145927787 has 2 divisors, whose sum is σ = 145927788. Its totient is φ = 145927786.

The previous prime is 145927763. The next prime is 145927823. The reversal of 145927787 is 787729541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145927787 - 2⁸ = 145927531 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145927687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72963893 + 72963894.

It is an arithmetic number, because the mean of its divisors is an integer number (72963894).

Almost surely, 2^145927787 is an apocalyptic number.

145927787 is a deficient number, since it is larger than the sum of its proper divisors (1).

145927787 is an equidigital number, since it uses as much as digits as its factorization.

145927787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 987840, while the sum is 50.

The square root of 145927787 is about 12080.0574088040. The cubic root of 145927787 is about 526.4769140080.

The spelling of 145927787 in words is "one hundred forty-five million, nine hundred twenty-seven thousand, seven hundred eighty-seven".