145041530212251 has 6 divisors (see below), whose sum is σ = 209504432528820. Its totient is φ = 96694353474828.

The previous prime is 145041530212237. The next prime is 145041530212283. The reversal of 145041530212251 is 152212035140541.

145041530212251 is a `hidden beast` number, since 1 + 4 + 5 + 0 + 415 + 3 + 0 + 212 + 25 + 1 = 666.

It is not a de Polignac number, because 145041530212251 - 2⁷ = 145041530212123 is a prime.

It is a super-2 number, since 2×145041530212251² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145041530212231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8057862789561 + ... + 8057862789578.

It is an arithmetic number, because the mean of its divisors is an integer number (34917405421470).

Almost surely, 2^{145041530212251} is an apocalyptic number.

145041530212251 is a deficient number, since it is larger than the sum of its proper divisors (64462902316569).

145041530212251 is a wasteful number, since it uses less digits than its factorization.

145041530212251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16115725579145 (or 16115725579142 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 145041530212251 its reverse (152212035140541), we get a palindrome (297253565352792).

The spelling of 145041530212251 in words is "one hundred forty-five trillion, forty-one billion, five hundred thirty million, two hundred twelve thousand, two hundred fifty-one".