2145153152450 has 144 divisors (see below), whose sum is σ = 5013648480960. Its totient is φ = 668427619200.

The previous prime is 2145153152447. The next prime is 2145153152489. The reversal of 2145153152450 is 542513515412.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 247446716 + ... + 247455384.

It is an arithmetic number, because the mean of its divisors is an integer number (34817003340).

Almost surely, 2^{2145153152450} is an apocalyptic number.

2145153152450 is an abundant number, since it is smaller than the sum of its proper divisors (2868495328510).

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

2145153152450 is a wasteful number, since it uses less digits than its factorization.

2145153152450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14553 (or 14537 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

Adding to 2145153152450 its reverse (542513515412), we get a palindrome (2687666667862).

The spelling of 2145153152450 in words is "two trillion, one hundred forty-five billion, one hundred fifty-three million, one hundred fifty-two thousand, four hundred fifty".