145543512 has 64 divisors (see below), whose sum is σ = 382786560. Its totient is φ = 46051200.

The previous prime is 145543507. The next prime is 145543523. The reversal of 145543512 is 215345541.

It is a self number, because there is not a number n which added to its sum of digits gives 145543512.

It is a congruent number.

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, 37587 + ... + 41277.

It is an arithmetic number, because the mean of its divisors is an integer number (5981040).

Almost surely, 2^145543512 is an apocalyptic number.

145543512 is a gapful number since it is divisible by the number (12) 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 145543512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191393280).

145543512 is an abundant number, since it is smaller than the sum of its proper divisors (237243048).

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

145543512 is a wasteful number, since it uses less digits than its factorization.

145543512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784 (or 3780 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 145543512 is about 12064.1415774186. The cubic root of 145543512 is about 526.0143798447.

The spelling of 145543512 in words is "one hundred forty-five million, five hundred forty-three thousand, five hundred twelve".