1318152545 has 8 divisors (see below), whose sum is σ = 1674829224. Its totient is φ = 992491264.

The previous prime is 1318152529. The next prime is 1318152551. The reversal of 1318152545 is 5452518131.

It can be written as a sum of positive squares in 4 ways, for example, as 149059681 + 1169092864 = 12209^2 + 34192^2 .

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 1318152545 - 2⁴ = 1318152529 is a prime.

It is a super-2 number, since 2×1318152545² = 3475052263779954050, which contains 22 as substring.

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, 7753754 + ... + 7753923.

It is an arithmetic number, because the mean of its divisors is an integer number (209353653).

Almost surely, 2^1318152545 is an apocalyptic number.

It is an amenable number.

1318152545 is a deficient number, since it is larger than the sum of its proper divisors (356676679).

1318152545 is a wasteful number, since it uses less digits than its factorization.

1318152545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15507699.

The product of its digits is 24000, while the sum is 35.

The square root of 1318152545 is about 36306.3705842377. The cubic root of 1318152545 is about 1096.4493072403.

The spelling of 1318152545 in words is "one billion, three hundred eighteen million, one hundred fifty-two thousand, five hundred forty-five".