1573149428 has 24 divisors (see below), whose sum is σ = 2859078600. Its totient is φ = 756482048.

The previous prime is 1573149427. The next prime is 1573149439. The reversal of 1573149428 is 8249413751.

It can be written as a sum of positive squares in 4 ways, for example, as 521574244 + 1051575184 = 22838^2 + 32428^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1573149427) 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, 3428 + ... + 56196.

It is an arithmetic number, because the mean of its divisors is an integer number (119128275).

Almost surely, 2^1573149428 is an apocalyptic number.

It is an amenable number.

1573149428 is a deficient number, since it is larger than the sum of its proper divisors (1285929172).

1573149428 is a wasteful number, since it uses less digits than its factorization.

1573149428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53059 (or 53057 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 1573149428 is about 39662.9477976612. The cubic root of 1573149428 is about 1163.0275225286.

The spelling of 1573149428 in words is "one billion, five hundred seventy-three million, one hundred forty-nine thousand, four hundred twenty-eight".