1500307045 has 4 divisors (see below), whose sum is σ = 1800368460. Its totient is φ = 1200245632.

The previous prime is 1500307033. The next prime is 1500307049. The reversal of 1500307045 is 5407030051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 806616801 + 693690244 = 28401^2 + 26338^2 .

It is a cyclic number.

It is not a de Polignac number, because 1500307045 - 2²⁵ = 1466752613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500307049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150030700 + ... + 150030709.

It is an arithmetic number, because the mean of its divisors is an integer number (450092115).

Almost surely, 2^1500307045 is an apocalyptic number.

It is an amenable number.

1500307045 is a deficient number, since it is larger than the sum of its proper divisors (300061415).

1500307045 is an equidigital number, since it uses as much as digits as its factorization.

1500307045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300061414.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 1500307045 is about 38733.7971931490. The cubic root of 1500307045 is about 1144.7923436211.

Adding to 1500307045 its reverse (5407030051), we get a palindrome (6907337096).

The spelling of 1500307045 in words is "one billion, five hundred million, three hundred seven thousand, forty-five".