145023665463 has 20 divisors (see below), whose sum is σ = 216663461520. Its totient is φ = 96672102912.

The previous prime is 145023665453. The next prime is 145023665491. The reversal of 145023665463 is 364566320541.

145023665463 is a `hidden beast` number, since 1 + 4 + 502 + 36 + 6 + 54 + 63 = 666.

It is not a de Polignac number, because 145023665463 - 2²¹ = 145021568311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145023665453) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 707598 + ... + 889236.

It is an arithmetic number, because the mean of its divisors is an integer number (10833173076).

Almost surely, 2^145023665463 is an apocalyptic number.

145023665463 is a deficient number, since it is larger than the sum of its proper divisors (71639796057).

145023665463 is an equidigital number, since it uses as much as digits as its factorization.

145023665463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191508 (or 191499 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 145023665463 in words is "one hundred forty-five billion, twenty-three million, six hundred sixty-five thousand, four hundred sixty-three".