1330542045 has 80 divisors (see below), whose sum is σ = 2792579328. Its totient is φ = 593360640.

The previous prime is 1330542023. The next prime is 1330542047. The reversal of 1330542045 is 5402450331.

It is not a de Polignac number, because 1330542045 - 2¹¹ = 1330539997 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 (1330542047) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 110512 + ... + 121958.

Almost surely, 2^1330542045 is an apocalyptic number.

1330542045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1330542045 is an abundant number, since it is smaller than the sum of its proper divisors (1462037283).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1330542045 is a wasteful number, since it uses less digits than its factorization.

1330542045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11512 (or 11503 counting only the distinct ones).

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

The square root of 1330542045 is about 36476.5958526834. The cubic root of 1330542045 is about 1099.8738271260.

Adding to 1330542045 its reverse (5402450331), we get a palindrome (6732992376).

The spelling of 1330542045 in words is "one billion, three hundred thirty million, five hundred forty-two thousand, forty-five".