1535224152 has 128 divisors (see below), whose sum is σ = 4810544640. Its totient is φ = 396641280.

The previous prime is 1535224087. The next prime is 1535224169. The reversal of 1535224152 is 2514225351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361948 + ... + 366164.

It is an arithmetic number, because the mean of its divisors is an integer number (37582380).

Almost surely, 2^1535224152 is an apocalyptic number.

1535224152 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 1535224152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2405272320).

1535224152 is an abundant number, since it is smaller than the sum of its proper divisors (3275320488).

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

1535224152 is a wasteful number, since it uses less digits than its factorization.

1535224152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441 (or 4437 counting only the distinct ones).

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

The square root of 1535224152 is about 39181.9365524472. The cubic root of 1535224152 is about 1153.6053585206.

The spelling of 1535224152 in words is "one billion, five hundred thirty-five million, two hundred twenty-four thousand, one hundred fifty-two".