145513413500231 has 32 divisors (see below), whose sum is σ = 170789030350848. Its totient is φ = 121389559873920.

The previous prime is 145513413500201. The next prime is 145513413500249. The reversal of 145513413500231 is 132005314315541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145513413500231 is a prime.

It is a super-2 number, since 2×145513413500231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145513413500201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1001720201 + ... + 1001865453.

It is an arithmetic number, because the mean of its divisors is an integer number (5337157198464).

Almost surely, 2^{145513413500231} is an apocalyptic number.

145513413500231 is a deficient number, since it is larger than the sum of its proper divisors (25275616850617).

145513413500231 is a wasteful number, since it uses less digits than its factorization.

145513413500231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162311.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 145513413500231 its reverse (132005314315541), we get a palindrome (277518727815772).

The spelling of 145513413500231 in words is "one hundred forty-five trillion, five hundred thirteen billion, four hundred thirteen million, five hundred thousand, two hundred thirty-one".