1350305645 has 16 divisors (see below), whose sum is σ = 1777939632. Its totient is φ = 978332160.

The previous prime is 1350305617. The next prime is 1350305647. The reversal of 1350305645 is 5465030531.

It can be written as a sum of positive squares in 8 ways, for example, as 171138724 + 1179166921 = 13082^2 + 34339^2 .

It is not a de Polignac number, because 1350305645 - 2¹⁴ = 1350289261 is a prime.

It is a super-3 number, since 3×1350305645³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350305647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192536 + ... + 199425.

It is an arithmetic number, because the mean of its divisors is an integer number (111121227).

Almost surely, 2^1350305645 is an apocalyptic number.

It is an amenable number.

1350305645 is a deficient number, since it is larger than the sum of its proper divisors (427633987).

1350305645 is a wasteful number, since it uses less digits than its factorization.

1350305645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392032.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 1350305645 is about 36746.5052079786. The cubic root of 1350305645 is about 1105.2928511359.

The spelling of 1350305645 in words is "one billion, three hundred fifty million, three hundred five thousand, six hundred forty-five".