145203345153 has 12 divisors (see below), whose sum is σ = 209768841828. Its totient is φ = 96788071680.

The previous prime is 145203345151. The next prime is 145203345179. The reversal of 145203345153 is 351543302541.

145203345153 is a `hidden beast` number, since 1 + 4 + 520 + 3 + 34 + 51 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4283440704 + 140919904449 = 65448^2 + 375393^2 .

It is not a de Polignac number, because 145203345153 - 2¹ = 145203345151 is a prime.

It is a super-2 number, since 2×145203345153² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145203345151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1114728 + ... + 1238153.

It is an arithmetic number, because the mean of its divisors is an integer number (17480736819).

Almost surely, 2^145203345153 is an apocalyptic number.

It is an amenable number.

145203345153 is a deficient number, since it is larger than the sum of its proper divisors (64565496675).

145203345153 is a wasteful number, since it uses less digits than its factorization.

145203345153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359744 (or 2359741 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 145203345153 its reverse (351543302541), we get a palindrome (496746647694).

The spelling of 145203345153 in words is "one hundred forty-five billion, two hundred three million, three hundred forty-five thousand, one hundred fifty-three".