145215154324 has 24 divisors (see below), whose sum is σ = 256962083840. Its totient is φ = 71801142336.

The previous prime is 145215154319. The next prime is 145215154333. The reversal of 145215154324 is 423451512541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309609 + ... + 621520.

Almost surely, 2^145215154324 is an apocalyptic number.

It is an amenable number.

145215154324 is a deficient number, since it is larger than the sum of its proper divisors (111746929516).

145215154324 is a wasteful number, since it uses less digits than its factorization.

145215154324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931567 (or 931565 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

Adding to 145215154324 its reverse (423451512541), we get a palindrome (568666666865).

The spelling of 145215154324 in words is "one hundred forty-five billion, two hundred fifteen million, one hundred fifty-four thousand, three hundred twenty-four".