145023205516 has 48 divisors (see below), whose sum is σ = 292801358080. Its totient is φ = 61562825280.

The previous prime is 145023205513. The next prime is 145023205517. The reversal of 145023205516 is 615502320541.

It is not an unprimeable number, because it can be changed into a prime (145023205511) 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, 13310431 + ... + 13321321.

Almost surely, 2^145023205516 is an apocalyptic number.

It is an amenable number.

145023205516 is an abundant number, since it is smaller than the sum of its proper divisors (147778152564).

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

145023205516 is a wasteful number, since it uses less digits than its factorization.

145023205516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15374 (or 15372 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 145023205516 in words is "one hundred forty-five billion, twenty-three million, two hundred five thousand, five hundred sixteen".