1502145 has 20 divisors (see below), whose sum is σ = 2693460. Its totient is φ = 800928.

The previous prime is 1502143. The next prime is 1502161. The reversal of 1502145 is 5412051.

It can be written as a sum of positive squares in 2 ways, for example, as 467856 + 1034289 = 684^2 + 1017^2 .

It is not a de Polignac number, because 1502145 - 2¹ = 1502143 is a prime.

1502145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1502141) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1450 + ... + 2259.

It is an arithmetic number, because the mean of its divisors is an integer number (134673).

2^1502145 is an apocalyptic number.

1502145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1502145 is a deficient number, since it is larger than the sum of its proper divisors (1191315).

1502145 is an equidigital number, since it uses as much as digits as its factorization.

1502145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726 (or 3717 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1502145 is about 1225.6202511382. The cubic root of 1502145 is about 114.5259629790.

Adding to 1502145 its reverse (5412051), we get a palindrome (6914196).

The spelling of 1502145 in words is "one million, five hundred two thousand, one hundred forty-five".