45254543545251 has 24 divisors (see below), whose sum is σ = 68818876373520. Its totient is φ = 28577331458496.

The previous prime is 45254543545243. The next prime is 45254543545259. The reversal of 45254543545251 is 15254534545254.

45254543545251 is a `hidden beast` number, since 4 + 5 + 2 + 5 + 4 + 5 + 43 + 545 + 2 + 51 = 666.

It is an interprime number because it is at equal distance from previous prime (45254543545243) and next prime (45254543545259).

It is not a de Polignac number, because 45254543545251 - 2³ = 45254543545243 is a prime.

It is a super-2 number, since 2×45254543545251² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45254543545259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19673316 + ... + 21852881.

It is an arithmetic number, because the mean of its divisors is an integer number (2867453182230).

Almost surely, 2^{45254543545251} is an apocalyptic number.

45254543545251 is a deficient number, since it is larger than the sum of its proper divisors (23564332828269).

45254543545251 is a wasteful number, since it uses less digits than its factorization.

45254543545251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41532595 (or 41532592 counting only the distinct ones).

The product of its digits is 48000000, while the sum is 54.

The spelling of 45254543545251 in words is "forty-five trillion, two hundred fifty-four billion, five hundred forty-three million, five hundred forty-five thousand, two hundred fifty-one".