1545256152 has 144 divisors (see below), whose sum is σ = 4657718520. Its totient is φ = 462401280.

The previous prime is 1545256151. The next prime is 1545256159. The reversal of 1545256152 is 2516525451.

1545256152 is a `hidden beast` number, since 1 + 5 + 45 + 2 + 561 + 52 = 666.

1545256152 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545256151) 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, 722028 + ... + 724164.

Almost surely, 2^1545256152 is an apocalyptic number.

1545256152 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 1545256152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2328859260).

1545256152 is an abundant number, since it is smaller than the sum of its proper divisors (3112462368).

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

1545256152 is a wasteful number, since it uses less digits than its factorization.

1545256152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254 (or 2236 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 1545256152 is about 39309.7462723941. The cubic root of 1545256152 is about 1156.1126692625.

The spelling of 1545256152 in words is "one billion, five hundred forty-five million, two hundred fifty-six thousand, one hundred fifty-two".