145050516231 has 16 divisors (see below), whose sum is σ = 201840219360. Its totient is φ = 92539596800.

The previous prime is 145050516227. The next prime is 145050516239. The reversal of 145050516231 is 132615050541.

It is a cyclic number.

It is not a de Polignac number, because 145050516231 - 2² = 145050516227 is a prime.

It is a super-2 number, since 2×145050516231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145050516192 and 145050516201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145050516239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7367370 + ... + 7387031.

It is an arithmetic number, because the mean of its divisors is an integer number (12615013710).

Almost surely, 2^145050516231 is an apocalyptic number.

145050516231 is a deficient number, since it is larger than the sum of its proper divisors (56789703129).

145050516231 is a wasteful number, since it uses less digits than its factorization.

145050516231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14754546.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 145050516231 its reverse (132615050541), we get a palindrome (277665566772).

The spelling of 145050516231 in words is "one hundred forty-five billion, fifty million, five hundred sixteen thousand, two hundred thirty-one".