145003552 has 48 divisors (see below), whose sum is σ = 296352000. Its totient is φ = 69788160.

The previous prime is 145003519. The next prime is 145003577. The reversal of 145003552 is 255300541.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102949 + ... + 104347.

It is an arithmetic number, because the mean of its divisors is an integer number (6174000).

Almost surely, 2^145003552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145003552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148176000).

145003552 is an abundant number, since it is smaller than the sum of its proper divisors (151348448).

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

145003552 is a wasteful number, since it uses less digits than its factorization.

145003552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1521 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 145003552 is about 12041.7420666613. The cubic root of 145003552 is about 525.3630770405.

The spelling of 145003552 in words is "one hundred forty-five million, three thousand, five hundred fifty-two".