45001251143 has 4 divisors (see below), whose sum is σ = 45002856408. Its totient is φ = 44999645880.

The previous prime is 45001251121. The next prime is 45001251173. The reversal of 45001251143 is 34115210054.

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

It is a cyclic number.

It is not a de Polignac number, because 45001251143 - 2⁶ = 45001251079 is a prime.

It is a super-2 number, since 2×45001251143² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45001251173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759821 + ... + 816902.

It is an arithmetic number, because the mean of its divisors is an integer number (11250714102).

Almost surely, 2^45001251143 is an apocalyptic number.

45001251143 is a deficient number, since it is larger than the sum of its proper divisors (1605265).

45001251143 is a wasteful number, since it uses less digits than its factorization.

45001251143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605264.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 45001251143 its reverse (34115210054), we get a palindrome (79116461197).

The spelling of 45001251143 in words is "forty-five billion, one million, two hundred fifty-one thousand, one hundred forty-three".