1152002145 has 16 divisors (see below), whose sum is σ = 2106518400. Its totient is φ = 526629504.

The previous prime is 1152002113. The next prime is 1152002149. The reversal of 1152002145 is 5412002511.

It is not a de Polignac number, because 1152002145 - 2⁵ = 1152002113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1152002149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5485620 + ... + 5485829.

It is an arithmetic number, because the mean of its divisors is an integer number (131657400).

Almost surely, 2^1152002145 is an apocalyptic number.

1152002145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1152002145 is a deficient number, since it is larger than the sum of its proper divisors (954516255).

1152002145 is a wasteful number, since it uses less digits than its factorization.

1152002145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10971464.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1152002145 is about 33941.1570957739. The cubic root of 1152002145 is about 1048.2972083186.

Adding to 1152002145 its reverse (5412002511), we get a palindrome (6564004656).

The spelling of 1152002145 in words is "one billion, one hundred fifty-two million, two thousand, one hundred forty-five".