1506345 has 16 divisors (see below), whose sum is σ = 2426112. Its totient is φ = 798080.

The previous prime is 1506341. The next prime is 1506359. The reversal of 1506345 is 5436051.

It is not a de Polignac number, because 1506345 - 2² = 1506341 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1506341) 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, 3280 + ... + 3710.

It is an arithmetic number, because the mean of its divisors is an integer number (151632).

2^1506345 is an apocalyptic number.

1506345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1506345 is a deficient number, since it is larger than the sum of its proper divisors (919767).

1506345 is a wasteful number, since it uses less digits than its factorization.

1506345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1506345 is about 1227.3324732932. The cubic root of 1506345 is about 114.6326019162.

The spelling of 1506345 in words is "one million, five hundred six thousand, three hundred forty-five".