302161145 has 32 divisors (see below), whose sum is σ = 451059840. Its totient is φ = 190909440.

The previous prime is 302161127. The next prime is 302161151. The reversal of 302161145 is 541161203.

It is not a de Polignac number, because 302161145 - 2²² = 297966841 is a prime.

It is a super-2 number, since 2×302161145² = 182602715095422050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 302161145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275 + ... + 24584.

It is an arithmetic number, because the mean of its divisors is an integer number (14095620).

Almost surely, 2^302161145 is an apocalyptic number.

It is an amenable number.

302161145 is a deficient number, since it is larger than the sum of its proper divisors (148898695).

302161145 is a wasteful number, since it uses less digits than its factorization.

302161145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24905.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 302161145 is about 17382.7830050312. The cubic root of 302161145 is about 671.0365961814.

The spelling of 302161145 in words is "three hundred two million, one hundred sixty-one thousand, one hundred forty-five".