1500345 has 48 divisors (see below), whose sum is σ = 3249792. Its totient is φ = 622080.

The previous prime is 1500341. The next prime is 1500347. The reversal of 1500345 is 5430051.

It is not a de Polignac number, because 1500345 - 2² = 1500341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1500341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3249 + ... + 3681.

It is an arithmetic number, because the mean of its divisors is an integer number (67704).

2^1500345 is an apocalyptic number.

1500345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1500345 is an abundant number, since it is smaller than the sum of its proper divisors (1749447).

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

1500345 is a wasteful number, since it uses less digits than its factorization.

1500345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1500345 is about 1224.8857089541. The cubic root of 1500345 is about 114.4801997251.

Adding to 1500345 its reverse (5430051), we get a palindrome (6930396).

The spelling of 1500345 in words is "one million, five hundred thousand, three hundred forty-five".