145011622251 has 8 divisors (see below), whose sum is σ = 193362685504. Its totient is φ = 96667486920.

The previous prime is 145011622247. The next prime is 145011622253. The reversal of 145011622251 is 152226110541.

145011622251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145011622251 - 2² = 145011622247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145011622253) 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 7 ways as a sum of consecutive naturals, for example, 1682941 + ... + 1767006.

It is an arithmetic number, because the mean of its divisors is an integer number (24170335688).

Almost surely, 2^145011622251 is an apocalyptic number.

145011622251 is a deficient number, since it is larger than the sum of its proper divisors (48351063253).

145011622251 is a wasteful number, since it uses less digits than its factorization.

145011622251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463961.

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

Adding to 145011622251 its reverse (152226110541), we get a palindrome (297237732792).

The spelling of 145011622251 in words is "one hundred forty-five billion, eleven million, six hundred twenty-two thousand, two hundred fifty-one".