145232531445 has 64 divisors (see below), whose sum is σ = 247210064640. Its totient is φ = 72555429888.

The previous prime is 145232531443. The next prime is 145232531449. The reversal of 145232531445 is 544135232541.

It is not a de Polignac number, because 145232531445 - 2¹ = 145232531443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145232531443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90261801 + ... + 90263409.

It is an arithmetic number, because the mean of its divisors is an integer number (3862657260).

Almost surely, 2^145232531445 is an apocalyptic number.

145232531445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145232531445 is a deficient number, since it is larger than the sum of its proper divisors (101977533195).

145232531445 is a wasteful number, since it uses less digits than its factorization.

145232531445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094.

The product of its digits is 288000, while the sum is 39.

Adding to 145232531445 its reverse (544135232541), we get a palindrome (689367763986).

The spelling of 145232531445 in words is "one hundred forty-five billion, two hundred thirty-two million, five hundred thirty-one thousand, four hundred forty-five".