145981327 has 2 divisors, whose sum is σ = 145981328. Its totient is φ = 145981326.

The previous prime is 145981229. The next prime is 145981337. The reversal of 145981327 is 723189541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145981327 - 2²⁷ = 11763599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145981327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145981337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72990663 + 72990664.

It is an arithmetic number, because the mean of its divisors is an integer number (72990664).

Almost surely, 2^145981327 is an apocalyptic number.

145981327 is a deficient number, since it is larger than the sum of its proper divisors (1).

145981327 is an equidigital number, since it uses as much as digits as its factorization.

145981327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 145981327 is about 12082.2732546487. The cubic root of 145981327 is about 526.5412931733.

The spelling of 145981327 in words is "one hundred forty-five million, nine hundred eighty-one thousand, three hundred twenty-seven".