145231040136 has 64 divisors (see below), whose sum is σ = 446864745600. Its totient is φ = 38302691328.

The previous prime is 145231040117. The next prime is 145231040167. The reversal of 145231040136 is 631040132541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33246681 + ... + 33251048.

It is an arithmetic number, because the mean of its divisors is an integer number (6982261650).

Almost surely, 2^145231040136 is an apocalyptic number.

It is an amenable number.

145231040136 is an abundant number, since it is smaller than the sum of its proper divisors (301633705464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145231040136 is a wasteful number, since it uses less digits than its factorization.

145231040136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66497758 (or 66497754 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 145231040136 its reverse (631040132541), we get a palindrome (776271172677).

The spelling of 145231040136 in words is "one hundred forty-five billion, two hundred thirty-one million, forty thousand, one hundred thirty-six".