2145234663502 has 8 divisors (see below), whose sum is σ = 3677545137456. Its totient is φ = 919386284352.

The previous prime is 2145234663497. The next prime is 2145234663541. The reversal of 2145234663502 is 2053664325412.

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

It is a super-2 number, since 2×2145234663502² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76615523683 + ... + 76615523710.

It is an arithmetic number, because the mean of its divisors is an integer number (459693142182).

Almost surely, 2^{2145234663502} is an apocalyptic number.

2145234663502 is a deficient number, since it is larger than the sum of its proper divisors (1532310473954).

2145234663502 is a wasteful number, since it uses less digits than its factorization.

2145234663502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153231047402.

The product of its (nonzero) digits is 1036800, while the sum is 43.

Adding to 2145234663502 its reverse (2053664325412), we get a palindrome (4198898988914).

The spelling of 2145234663502 in words is "two trillion, one hundred forty-five billion, two hundred thirty-four million, six hundred sixty-three thousand, five hundred two".