4512256522154 has 4 divisors (see below), whose sum is σ = 6768384783234. Its totient is φ = 2256128261076.

The previous prime is 4512256522139. The next prime is 4512256522171.

4512256522154 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4381590900625 + 130665621529 = 2093225^2 + 361477^2 .

It is a super-2 number, since 2×4512256522154² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1128064130537 + ... + 1128064130540.

Almost surely, 2^{4512256522154} is an apocalyptic number.

4512256522154 is a deficient number, since it is larger than the sum of its proper divisors (2256128261080).

4512256522154 is a wasteful number, since it uses less digits than its factorization.

4512256522154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256128261079.

The product of its digits is 960000, while the sum is 44.

The spelling of 4512256522154 in words is "four trillion, five hundred twelve billion, two hundred fifty-six million, five hundred twenty-two thousand, one hundred fifty-four".