145015331051 has 4 divisors (see below), whose sum is σ = 145202932512. Its totient is φ = 144827729592.

The previous prime is 145015331033. The next prime is 145015331113. The reversal of 145015331051 is 150133510541.

145015331051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145015331051 is a prime.

It is a super-2 number, since 2×145015331051² (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 (145015333051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93799571 + ... + 93801116.

It is an arithmetic number, because the mean of its divisors is an integer number (36300733128).

Almost surely, 2^145015331051 is an apocalyptic number.

145015331051 is a deficient number, since it is larger than the sum of its proper divisors (187601461).

145015331051 is an equidigital number, since it uses as much as digits as its factorization.

145015331051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187601460.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 145015331051 its reverse (150133510541), we get a palindrome (295148841592).

The spelling of 145015331051 in words is "one hundred forty-five billion, fifteen million, three hundred thirty-one thousand, fifty-one".