1457189544 has 32 divisors (see below), whose sum is σ = 3857267520. Its totient is φ = 457157376.

The previous prime is 1457189543. The next prime is 1457189549. The reversal of 1457189544 is 4459817541.

It is a junction number, because it is equal to n+sod(n) for n = 1457189493 and 1457189502.

It is not an unprimeable number, because it can be changed into a prime (1457189543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1785364 + ... + 1786179.

It is an arithmetic number, because the mean of its divisors is an integer number (120539610).

Almost surely, 2^1457189544 is an apocalyptic number.

It is an amenable number.

1457189544 is an abundant number, since it is smaller than the sum of its proper divisors (2400077976).

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

1457189544 is a wasteful number, since it uses less digits than its factorization.

1457189544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571569 (or 3571565 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The square root of 1457189544 is about 38173.1521360236. The cubic root of 1457189544 is about 1133.7188009066.

The spelling of 1457189544 in words is "one billion, four hundred fifty-seven million, one hundred eighty-nine thousand, five hundred forty-four".