302140045 has 8 divisors (see below), whose sum is σ = 362670840. Its totient is φ = 241643520.

The previous prime is 302140037. The next prime is 302140049. The reversal of 302140045 is 540041203.

It can be written as a sum of positive squares in 4 ways, for example, as 145161 + 301994884 = 381^2 + 17378^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 302140045 - 2³ = 302140037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302140049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18765 + ... + 30925.

It is an arithmetic number, because the mean of its divisors is an integer number (45333855).

Almost surely, 2^302140045 is an apocalyptic number.

It is an amenable number.

302140045 is a deficient number, since it is larger than the sum of its proper divisors (60530795).

302140045 is a wasteful number, since it uses less digits than its factorization.

302140045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17135.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 302140045 is about 17382.1760720573. The cubic root of 302140045 is about 671.0209762581.

Adding to 302140045 its reverse (540041203), we get a palindrome (842181248).

The spelling of 302140045 in words is "three hundred two million, one hundred forty thousand, forty-five".