1521903152 has 180 divisors, whose sum is σ = 3846660048. Its totient is φ = 581011200.

The previous prime is 1521903137. The next prime is 1521903157. The reversal of 1521903152 is 2513091251.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1521903157) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5786573 + ... + 5786835.

Almost surely, 2^1521903152 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 1521903152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1923330024).

1521903152 is an abundant number, since it is smaller than the sum of its proper divisors (2324756896).

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

1521903152 is a wasteful number, since it uses less digits than its factorization.

1521903152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 1521903152 is about 39011.5771534554. The cubic root of 1521903152 is about 1150.2590851672.

The spelling of 1521903152 in words is "one billion, five hundred twenty-one million, nine hundred three thousand, one hundred fifty-two".