1573914545 has 12 divisors (see below), whose sum is σ = 2197056564. Its totient is φ = 1079255520.

The previous prime is 1573914493. The next prime is 1573914557. The reversal of 1573914545 is 5454193751.

It can be written as a sum of positive squares in 2 ways, for example, as 337126321 + 1236788224 = 18361^2 + 35168^2 .

It is not a de Polignac number, because 1573914545 - 2⁸ = 1573914289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1573914496 and 1573914505.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3211826 + ... + 3212315.

It is an arithmetic number, because the mean of its divisors is an integer number (183088047).

Almost surely, 2^1573914545 is an apocalyptic number.

It is an amenable number.

1573914545 is a deficient number, since it is larger than the sum of its proper divisors (623142019).

1573914545 is an equidigital number, since it uses as much as digits as its factorization.

1573914545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424160 (or 6424153 counting only the distinct ones).

The product of its digits is 378000, while the sum is 44.

The square root of 1573914545 is about 39672.5918613846. The cubic root of 1573914545 is about 1163.2160420020.

The spelling of 1573914545 in words is "one billion, five hundred seventy-three million, nine hundred fourteen thousand, five hundred forty-five".