145203345141 has 4 divisors (see below), whose sum is σ = 193604460192. Its totient is φ = 96802230092.

The previous prime is 145203345101. The next prime is 145203345143. The reversal of 145203345141 is 141543302541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141543302541 = 3 ⋅47181100847.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145203345141 is a prime.

It is a super-2 number, since 2×145203345141² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145203345143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24200557521 + ... + 24200557526.

It is an arithmetic number, because the mean of its divisors is an integer number (48401115048).

Almost surely, 2^145203345141 is an apocalyptic number.

It is an amenable number.

145203345141 is a deficient number, since it is larger than the sum of its proper divisors (48401115051).

145203345141 is an equidigital number, since it uses as much as digits as its factorization.

145203345141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48401115050.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 145203345141 its reverse (141543302541), we get a palindrome (286746647682).

The spelling of 145203345141 in words is "one hundred forty-five billion, two hundred three million, three hundred forty-five thousand, one hundred forty-one".