2145434551330 has 128 divisors (see below), whose sum is σ = 4595190497280. Its totient is φ = 705627605760.

The previous prime is 2145434551319. The next prime is 2145434551343. The reversal of 2145434551330 is 331554345412.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 367177389 + ... + 367183231.

It is an arithmetic number, because the mean of its divisors is an integer number (35899925760).

Almost surely, 2^{2145434551330} is an apocalyptic number.

2145434551330 is an abundant number, since it is smaller than the sum of its proper divisors (2449755945950).

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

2145434551330 is a wasteful number, since it uses less digits than its factorization.

2145434551330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7024.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 2145434551330 its reverse (331554345412), we get a palindrome (2476988896742).

The spelling of 2145434551330 in words is "two trillion, one hundred forty-five billion, four hundred thirty-four million, five hundred fifty-one thousand, three hundred thirty".