145738727 has 2 divisors, whose sum is σ = 145738728. Its totient is φ = 145738726.

The previous prime is 145738687. The next prime is 145738753. The reversal of 145738727 is 727837541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145738727 - 2¹⁰ = 145737703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145738927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72869363 + 72869364.

It is an arithmetic number, because the mean of its divisors is an integer number (72869364).

Almost surely, 2^145738727 is an apocalyptic number.

145738727 is a deficient number, since it is larger than the sum of its proper divisors (1).

145738727 is an equidigital number, since it uses as much as digits as its factorization.

145738727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329280, while the sum is 44.

The square root of 145738727 is about 12072.2295786652. The cubic root of 145738727 is about 526.2494527784.

The spelling of 145738727 in words is "one hundred forty-five million, seven hundred thirty-eight thousand, seven hundred twenty-seven".