302145302140 has 24 divisors (see below), whose sum is σ = 692187419952. Its totient is φ = 109871018880.

The previous prime is 302145302113. The next prime is 302145302143. The reversal of 302145302140 is 41203541203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302145302143) 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, 686693649 + ... + 686694088.

It is an arithmetic number, because the mean of its divisors is an integer number (28841142498).

Almost surely, 2^302145302140 is an apocalyptic number.

It is an amenable number.

302145302140 is an abundant number, since it is smaller than the sum of its proper divisors (390042117812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302145302140 is a wasteful number, since it uses less digits than its factorization.

302145302140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373387757 (or 1373387755 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 302145302140 its reverse (41203541203), we get a palindrome (343348843343).

The spelling of 302145302140 in words is "three hundred two billion, one hundred forty-five million, three hundred two thousand, one hundred forty".