1506390645 has 64 divisors (see below), whose sum is σ = 2560481280. Its totient is φ = 755069952.

The previous prime is 1506390637. The next prime is 1506390649. The reversal of 1506390645 is 5460936051.

1506390645 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1506390645 - 2³ = 1506390637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1506390649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5141119 + ... + 5141411.

It is an arithmetic number, because the mean of its divisors is an integer number (40007520).

Almost surely, 2^1506390645 is an apocalyptic number.

1506390645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1506390645 is a deficient number, since it is larger than the sum of its proper divisors (1054090635).

1506390645 is a wasteful number, since it uses less digits than its factorization.

1506390645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 1506390645 is about 38812.2486465291. The cubic root of 1506390645 is about 1146.3375976346.

The spelling of 1506390645 in words is "one billion, five hundred six million, three hundred ninety thousand, six hundred forty-five".