302000145 has 16 divisors (see below), whose sum is σ = 493482240. Its totient is φ = 157639424.

The previous prime is 302000141. The next prime is 302000147. The reversal of 302000145 is 541000203.

It is a cyclic number.

It is not a de Polignac number, because 302000145 - 2² = 302000141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (302000141) 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, 213480 + ... + 214889.

It is an arithmetic number, because the mean of its divisors is an integer number (30842640).

Almost surely, 2^302000145 is an apocalyptic number.

It is an amenable number.

302000145 is a deficient number, since it is larger than the sum of its proper divisors (191482095).

302000145 is a wasteful number, since it uses less digits than its factorization.

302000145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428424.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 302000145 is about 17378.1513688885. The cubic root of 302000145 is about 670.9173925845.

Adding to 302000145 its reverse (541000203), we get a palindrome (843000348).

The spelling of 302000145 in words is "three hundred two million, one hundred forty-five", and thus it is an aban number.