1335402045 has 40 divisors (see below), whose sum is σ = 2439037656. Its totient is φ = 698765184.

The previous prime is 1335402043. The next prime is 1335402049. The reversal of 1335402045 is 5402045331.

It can be written as a sum of positive squares in 4 ways, for example, as 27060804 + 1308341241 = 5202^2 + 36171^2 .

It is not a de Polignac number, because 1335402045 - 2¹ = 1335402043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1335402041) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9642 + ... + 52571.

Almost surely, 2^1335402045 is an apocalyptic number.

1335402045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1335402045 is a deficient number, since it is larger than the sum of its proper divisors (1103635611).

1335402045 is an equidigital number, since it uses as much as digits as its factorization.

1335402045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62283 (or 62274 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1335402045 is about 36543.1531890722. The cubic root of 1335402045 is about 1101.2113501114.

Adding to 1335402045 its reverse (5402045331), we get a palindrome (6737447376).

The spelling of 1335402045 in words is "one billion, three hundred thirty-five million, four hundred two thousand, forty-five".