145954638323 has 16 divisors (see below), whose sum is σ = 157449348000. Its totient is φ = 134498327040.

The previous prime is 145954638317. The next prime is 145954638331. The reversal of 145954638323 is 323836459541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145954638323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145954638383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35605328 + ... + 35609426.

It is an arithmetic number, because the mean of its divisors is an integer number (9840584250).

Almost surely, 2^145954638323 is an apocalyptic number.

145954638323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145954638323 is a deficient number, since it is larger than the sum of its proper divisors (11494709677).

145954638323 is a wasteful number, since it uses less digits than its factorization.

145954638323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8102.

The product of its digits is 9331200, while the sum is 53.

The spelling of 145954638323 in words is "one hundred forty-five billion, nine hundred fifty-four million, six hundred thirty-eight thousand, three hundred twenty-three".