145791827 has 2 divisors, whose sum is σ = 145791828. Its totient is φ = 145791826.

The previous prime is 145791797. The next prime is 145791839. The reversal of 145791827 is 728197541.

It is a strong prime.

It is an emirp because it is prime and its reverse (728197541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145791827 - 2⁸ = 145791571 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145791127) 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, 72895913 + 72895914.

It is an arithmetic number, because the mean of its divisors is an integer number (72895914).

Almost surely, 2^145791827 is an apocalyptic number.

145791827 is a deficient number, since it is larger than the sum of its proper divisors (1).

145791827 is an equidigital number, since it uses as much as digits as its factorization.

145791827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 44.

The square root of 145791827 is about 12074.4286407266. The cubic root of 145791827 is about 526.3133581279.

The spelling of 145791827 in words is "one hundred forty-five million, seven hundred ninety-one thousand, eight hundred twenty-seven".