145023205601 has 16 divisors (see below), whose sum is σ = 146894508288. Its totient is φ = 143165443200.

The previous prime is 145023205517. The next prime is 145023205667. The reversal of 145023205601 is 106502320541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145023205601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145023285601) 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 in 15 ways as a sum of consecutive naturals, for example, 21632216 + ... + 21638918.

It is an arithmetic number, because the mean of its divisors is an integer number (9180906768).

Almost surely, 2^145023205601 is an apocalyptic number.

It is an amenable number.

145023205601 is a deficient number, since it is larger than the sum of its proper divisors (1871302687).

145023205601 is a wasteful number, since it uses less digits than its factorization.

145023205601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7672.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 145023205601 in words is "one hundred forty-five billion, twenty-three million, two hundred five thousand, six hundred one".