145964671 has 2 divisors, whose sum is σ = 145964672. Its totient is φ = 145964670.

The previous prime is 145964639. The next prime is 145964681. The reversal of 145964671 is 176469541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145964671 - 2⁵ = 145964639 is a prime.

It is equal to p_8229859 and since 145964671 and 8229859 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145964681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72982335 + 72982336.

It is an arithmetic number, because the mean of its divisors is an integer number (72982336).

Almost surely, 2^145964671 is an apocalyptic number.

145964671 is a deficient number, since it is larger than the sum of its proper divisors (1).

145964671 is an equidigital number, since it uses as much as digits as its factorization.

145964671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 145964671 is about 12081.5839607230. The cubic root of 145964671 is about 526.5212668555.

The spelling of 145964671 in words is "one hundred forty-five million, nine hundred sixty-four thousand, six hundred seventy-one".