145503339601 has 9 divisors (see below), whose sum is σ = 146389443753. Its totient is φ = 144622573860.

The previous prime is 145503339571. The next prime is 145503339617. The reversal of 145503339601 is 106933305541.

The square root of 145503339601 is 381449.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-145503339601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145503339001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 68278306 + ... + 68280436.

Almost surely, 2^145503339601 is an apocalyptic number.

145503339601 is the 381449-th square number.

145503339601 is the 190725-th centered octagonal number.

It is an amenable number.

145503339601 is a deficient number, since it is larger than the sum of its proper divisors (886104152).

145503339601 is an frugal number, since it uses more digits than its factorization.

145503339601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 40.

The spelling of 145503339601 in words is "one hundred forty-five billion, five hundred three million, three hundred thirty-nine thousand, six hundred one".