1500145 has 8 divisors (see below), whose sum is σ = 1895040. Its totient is φ = 1136880.

The previous prime is 1500143. The next prime is 1500151. The reversal of 1500145 is 5410051.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1500145 - 2¹ = 1500143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1500143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7801 + ... + 7990.

It is an arithmetic number, because the mean of its divisors is an integer number (236880).

2^1500145 is an apocalyptic number.

It is an amenable number.

1500145 is a deficient number, since it is larger than the sum of its proper divisors (394895).

1500145 is a wasteful number, since it uses less digits than its factorization.

1500145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15815.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1500145 is about 1224.8040659632. The cubic root of 1500145 is about 114.4751126602.

Adding to 1500145 its reverse (5410051), we get a palindrome (6910196).

The spelling of 1500145 in words is "one million, five hundred thousand, one hundred forty-five".