145206563603 has 8 divisors (see below), whose sum is σ = 149300373600. Its totient is φ = 141121664640.

The previous prime is 145206563569. The next prime is 145206563629. The reversal of 145206563603 is 306365602541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145206563603 - 2¹² = 145206559507 is a prime.

It is a super-2 number, since 2×145206563603² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145206563653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2194703 + ... + 2259896.

It is an arithmetic number, because the mean of its divisors is an integer number (18662546700).

Almost surely, 2^145206563603 is an apocalyptic number.

145206563603 is a deficient number, since it is larger than the sum of its proper divisors (4093809997).

145206563603 is an equidigital number, since it uses as much as digits as its factorization.

145206563603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455517.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 145206563603 in words is "one hundred forty-five billion, two hundred six million, five hundred sixty-three thousand, six hundred three".