1545027484 has 192 divisors, whose sum is σ = 3992002560. Its totient is φ = 502951680.

The previous prime is 1545027481. The next prime is 1545027509. The reversal of 1545027484 is 4847205451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545027481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1749307 + ... + 1750189.

It is an arithmetic number, because the mean of its divisors is an integer number (20791680).

Almost surely, 2^1545027484 is an apocalyptic number.

1545027484 is a gapful number since it is divisible by the number (14) 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 1545027484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1996001280).

1545027484 is an abundant number, since it is smaller than the sum of its proper divisors (2446975076).

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

1545027484 is a wasteful number, since it uses less digits than its factorization.

1545027484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 40.

The square root of 1545027484 is about 39306.8376240063. The cubic root of 1545027484 is about 1156.0556390169.

The spelling of 1545027484 in words is "one billion, five hundred forty-five million, twenty-seven thousand, four hundred eighty-four".