4521245652 has 144 divisors (see below), whose sum is σ = 14552358912. Its totient is φ = 1149330240.

The previous prime is 4521245647. The next prime is 4521245683. The reversal of 4521245652 is 2565421254.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112933 + ... + 147635.

It is an arithmetic number, because the mean of its divisors is an integer number (101058048).

Almost surely, 2^4521245652 is an apocalyptic number.

4521245652 is a gapful number since it is divisible by the number (42) 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 4521245652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7276179456).

4521245652 is an abundant number, since it is smaller than the sum of its proper divisors (10031113260).

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

4521245652 is a wasteful number, since it uses less digits than its factorization.

4521245652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34778 (or 34773 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 4521245652 is about 67240.2085957502. The cubic root of 4521245652 is about 1653.5577535106.

The spelling of 4521245652 in words is "four billion, five hundred twenty-one million, two hundred forty-five thousand, six hundred fifty-two".