145143233221145 has 8 divisors (see below), whose sum is σ = 183338820911040. Its totient is φ = 110003292546480.

The previous prime is 145143233221099. The next prime is 145143233221193. The reversal of 145143233221145 is 541122332341541.

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

It is not a de Polignac number, because 145143233221145 - 2²⁶ = 145143166112281 is a prime.

It is a super-2 number, since 2×145143233221145² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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, 763911753701 + ... + 763911753890.

It is an arithmetic number, because the mean of its divisors is an integer number (22917352613880).

Almost surely, 2^{145143233221145} is an apocalyptic number.

It is an amenable number.

145143233221145 is a deficient number, since it is larger than the sum of its proper divisors (38195587689895).

145143233221145 is a wasteful number, since it uses less digits than its factorization.

145143233221145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527823507615.

The product of its digits is 345600, while the sum is 41.

Adding to 145143233221145 its reverse (541122332341541), we get a palindrome (686265565562686).

The spelling of 145143233221145 in words is "one hundred forty-five trillion, one hundred forty-three billion, two hundred thirty-three million, two hundred twenty-one thousand, one hundred forty-five".