1573545648 has 40 divisors (see below), whose sum is σ = 4278942400. Its totient is φ = 496908864.

The previous prime is 1573545607. The next prime is 1573545671. The reversal of 1573545648 is 8465453751.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1573545597 and 1573545606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861778 + ... + 863601.

It is an arithmetic number, because the mean of its divisors is an integer number (106973560).

Almost surely, 2^1573545648 is an apocalyptic number.

It is an amenable number.

1573545648 is an abundant number, since it is smaller than the sum of its proper divisors (2705396752).

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

1573545648 is a wasteful number, since it uses less digits than its factorization.

1573545648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725409 (or 1725403 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 48.

The square root of 1573545648 is about 39667.9423212246. The cubic root of 1573545648 is about 1163.1251559924.

The spelling of 1573545648 in words is "one billion, five hundred seventy-three million, five hundred forty-five thousand, six hundred forty-eight".