2145204512151 has 8 divisors (see below), whose sum is σ = 2885584830960. Its totient is φ = 1417480267392.

The previous prime is 2145204512147. The next prime is 2145204512219. The reversal of 2145204512151 is 1512154025412.

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

It is not a de Polignac number, because 2145204512151 - 2² = 2145204512147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145204512951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3164018116 + ... + 3164018793.

It is an arithmetic number, because the mean of its divisors is an integer number (360698103870).

Almost surely, 2^{2145204512151} is an apocalyptic number.

2145204512151 is a deficient number, since it is larger than the sum of its proper divisors (740380318809).

2145204512151 is a wasteful number, since it uses less digits than its factorization.

2145204512151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328037025.

The product of its (nonzero) digits is 16000, while the sum is 33.

Adding to 2145204512151 its reverse (1512154025412), we get a palindrome (3657358537563).

The spelling of 2145204512151 in words is "two trillion, one hundred forty-five billion, two hundred four million, five hundred twelve thousand, one hundred fifty-one".