1502040545 has 4 divisors (see below), whose sum is σ = 1802448660. Its totient is φ = 1201632432.

The previous prime is 1502040539. The next prime is 1502040569. The reversal of 1502040545 is 5450402051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5450402051 = 31 ⋅175819421.

It can be written as a sum of positive squares in 2 ways, for example, as 873084304 + 628956241 = 29548^2 + 25079^2 .

It is a cyclic number.

It is not a de Polignac number, because 1502040545 - 2¹² = 1502036449 is a prime.

It is a super-2 number, since 2×1502040545² = 4512251597647794050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150204050 + ... + 150204059.

It is an arithmetic number, because the mean of its divisors is an integer number (450612165).

Almost surely, 2^1502040545 is an apocalyptic number.

It is an amenable number.

1502040545 is a deficient number, since it is larger than the sum of its proper divisors (300408115).

1502040545 is an equidigital number, since it uses as much as digits as its factorization.

1502040545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300408114.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1502040545 is about 38756.1678317142. The cubic root of 1502040545 is about 1145.2330831148.

Adding to 1502040545 its reverse (5450402051), we get a palindrome (6952442596).

The spelling of 1502040545 in words is "one billion, five hundred two million, forty thousand, five hundred forty-five".