145245536500 has 48 divisors (see below), whose sum is σ = 317400357456. Its totient is φ = 58064496000.

The previous prime is 145245536489. The next prime is 145245536507. The reversal of 145245536500 is 5635542541.

It can be written as a sum of positive squares in 8 ways, for example, as 95225319396 + 50020217104 = 308586^2 + 223652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145245536507) 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, 787074 + ... + 953926.

It is an arithmetic number, because the mean of its divisors is an integer number (6612507447).

Almost surely, 2^145245536500 is an apocalyptic number.

145245536500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145245536500 is an abundant number, since it is smaller than the sum of its proper divisors (172154820956).

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

145245536500 is a wasteful number, since it uses less digits than its factorization.

145245536500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168613 (or 168601 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 145245536500 in words is "one hundred forty-five billion, two hundred forty-five million, five hundred thirty-six thousand, five hundred".