1355452345 has 8 divisors (see below), whose sum is σ = 1751661576. Its totient is φ = 1000949376.

The previous prime is 1355452337. The next prime is 1355452361. The reversal of 1355452345 is 5432545531.

It can be written as a sum of positive squares in 4 ways, for example, as 10323369 + 1345128976 = 3213^2 + 36676^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1355452345 - 2³ = 1355452337 is a prime.

It is a Duffinian number.

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, 10426492 + ... + 10426621.

It is an arithmetic number, because the mean of its divisors is an integer number (218957697).

Almost surely, 2^1355452345 is an apocalyptic number.

It is an amenable number.

1355452345 is a deficient number, since it is larger than the sum of its proper divisors (396209231).

1355452345 is a wasteful number, since it uses less digits than its factorization.

1355452345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20853131.

The product of its digits is 180000, while the sum is 37.

The square root of 1355452345 is about 36816.4683939131. The cubic root of 1355452345 is about 1106.6953480716.

Adding to 1355452345 its reverse (5432545531), we get a palindrome (6787997876).

The spelling of 1355452345 in words is "one billion, three hundred fifty-five million, four hundred fifty-two thousand, three hundred forty-five".