1602803145 has 32 divisors (see below), whose sum is σ = 2646973440. Its totient is φ = 827766720.

The previous prime is 1602803143. The next prime is 1602803149. The reversal of 1602803145 is 5413082061.

It is not a de Polignac number, because 1602803145 - 2¹ = 1602803143 is a prime.

It is a super-3 number, since 3×1602803145³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1602803143) 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 31 ways as a sum of consecutive naturals, for example, 45780 + ... + 72810.

It is an arithmetic number, because the mean of its divisors is an integer number (82717920).

Almost surely, 2^1602803145 is an apocalyptic number.

1602803145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1602803145 is a deficient number, since it is larger than the sum of its proper divisors (1044170295).

1602803145 is a wasteful number, since it uses less digits than its factorization.

1602803145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27165.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1602803145 is about 40035.0239790112. The cubic root of 1602803145 is about 1170.2897339290.

The spelling of 1602803145 in words is "one billion, six hundred two million, eight hundred three thousand, one hundred forty-five".