145514311243331 has 8 divisors (see below), whose sum is σ = 148332576443040. Its totient is φ = 142698739086592.

The previous prime is 145514311243319. The next prime is 145514311243333. The reversal of 145514311243331 is 133342113415541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145514311243331 is a prime.

It is a super-2 number, since 2×145514311243331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145514311243333) 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, 673151630 + ... + 673367763.

It is an arithmetic number, because the mean of its divisors is an integer number (18541572055380).

Almost surely, 2^{145514311243331} is an apocalyptic number.

145514311243331 is a deficient number, since it is larger than the sum of its proper divisors (2818265199709).

145514311243331 is a wasteful number, since it uses less digits than its factorization.

145514311243331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346521485.

The product of its digits is 259200, while the sum is 41.

Adding to 145514311243331 its reverse (133342113415541), we get a palindrome (278856424658872).

The spelling of 145514311243331 in words is "one hundred forty-five trillion, five hundred fourteen billion, three hundred eleven million, two hundred forty-three thousand, three hundred thirty-one".