145330168500 has 288 divisors, whose sum is σ = 500739482880. Its totient is φ = 35189856000.

The previous prime is 145330168499. The next prime is 145330168547. The reversal of 145330168500 is 5861033541.

145330168500 is a `hidden beast` number, since 14 + 53 + 30 + 1 + 68 + 500 = 666.

It is a super-2 number, since 2×145330168500² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 71625486 + ... + 71627514.

It is an arithmetic number, because the mean of its divisors is an integer number (1738678760).

Almost surely, 2^145330168500 is an apocalyptic number.

145330168500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145330168500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250369741440).

145330168500 is an abundant number, since it is smaller than the sum of its proper divisors (355409314380).

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

145330168500 is a wasteful number, since it uses less digits than its factorization.

145330168500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512 (or 3497 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 145330168500 in words is "one hundred forty-five billion, three hundred thirty million, one hundred sixty-eight thousand, five hundred".