1544113252 has 24 divisors (see below), whose sum is σ = 2996183232. Its totient is φ = 690362400.

The previous prime is 1544113199. The next prime is 1544113253. The reversal of 1544113252 is 2523114451.

It is a self number, because there is not a number n which added to its sum of digits gives 1544113252.

It is not an unprimeable number, because it can be changed into a prime (1544113253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284968 + ... + 290335.

It is an arithmetic number, because the mean of its divisors is an integer number (124840968).

Almost surely, 2^1544113252 is an apocalyptic number.

It is an amenable number.

1544113252 is a deficient number, since it is larger than the sum of its proper divisors (1452069980).

1544113252 is a wasteful number, since it uses less digits than its factorization.

1544113252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575379 (or 575377 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 1544113252 is about 39295.2064761085. The cubic root of 1544113252 is about 1155.8275715329.

The spelling of 1544113252 in words is "one billion, five hundred forty-four million, one hundred thirteen thousand, two hundred fifty-two".