1578913452 has 96 divisors (see below), whose sum is σ = 4448102400. Its totient is φ = 482500800.

The previous prime is 1578913451. The next prime is 1578913459. The reversal of 1578913452 is 2543198751.

1578913452 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1578913398 and 1578913407.

It is not an unprimeable number, because it can be changed into a prime (1578913451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51202 + ... + 76022.

It is an arithmetic number, because the mean of its divisors is an integer number (46334400).

Almost surely, 2^1578913452 is an apocalyptic number.

1578913452 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 1578913452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2224051200).

1578913452 is an abundant number, since it is smaller than the sum of its proper divisors (2869188948).

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

1578913452 is a wasteful number, since it uses less digits than its factorization.

1578913452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24884 (or 24876 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 1578913452 is about 39735.5439373868. The cubic root of 1578913452 is about 1164.4462366015.

It can be divided in two parts, 15789 and 13452, that added together give a square (29241 = 171²).

The spelling of 1578913452 in words is "one billion, five hundred seventy-eight million, nine hundred thirteen thousand, four hundred fifty-two".