1506540245 has 16 divisors (see below), whose sum is σ = 2067005568. Its totient is φ = 1032609600.

The previous prime is 1506540197. The next prime is 1506540247. The reversal of 1506540245 is 5420456051.

It is a de Polignac number, because none of the positive numbers 2^k-1506540245 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1506540247) 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, 86795 + ... + 102695.

It is an arithmetic number, because the mean of its divisors is an integer number (129187848).

Almost surely, 2^1506540245 is an apocalyptic number.

It is an amenable number.

1506540245 is a deficient number, since it is larger than the sum of its proper divisors (560465323).

1506540245 is a wasteful number, since it uses less digits than its factorization.

1506540245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18620.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1506540245 is about 38814.1758253347. The cubic root of 1506540245 is about 1146.3755440616.

Adding to 1506540245 its reverse (5420456051), we get a palindrome (6926996296).

The spelling of 1506540245 in words is "one billion, five hundred six million, five hundred forty thousand, two hundred forty-five".