1345203554 has 8 divisors (see below), whose sum is σ = 2017961580. Its totient is φ = 672549696.

The previous prime is 1345203527. The next prime is 1345203571. The reversal of 1345203554 is 4553025431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1345202329 + 1225 = 36677^2 + 35^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1345203554.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33182 + ... + 61574.

Almost surely, 2^1345203554 is an apocalyptic number.

1345203554 is a deficient number, since it is larger than the sum of its proper divisors (672758026).

1345203554 is a wasteful number, since it uses less digits than its factorization.

1345203554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52084.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 1345203554 is about 36677.0166998353. The cubic root of 1345203554 is about 1103.8989883645.

Adding to 1345203554 its reverse (4553025431), we get a palindrome (5898228985).

The spelling of 1345203554 in words is "one billion, three hundred forty-five million, two hundred three thousand, five hundred fifty-four".