145123411251 has 16 divisors (see below), whose sum is σ = 238151239424. Its totient is φ = 76548612384.

The previous prime is 145123411243. The next prime is 145123411261. The reversal of 145123411251 is 152114321541.

It is not a de Polignac number, because 145123411251 - 2³ = 145123411243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145123411201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265793521 + ... + 265794066.

It is an arithmetic number, because the mean of its divisors is an integer number (14884452464).

Almost surely, 2^145123411251 is an apocalyptic number.

145123411251 is a deficient number, since it is larger than the sum of its proper divisors (93027828173).

145123411251 is a wasteful number, since it uses less digits than its factorization.

145123411251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531587610.

The product of its digits is 4800, while the sum is 30.

Adding to 145123411251 its reverse (152114321541), we get a palindrome (297237732792).

The spelling of 145123411251 in words is "one hundred forty-five billion, one hundred twenty-three million, four hundred eleven thousand, two hundred fifty-one".