45981250449 has 8 divisors (see below), whose sum is σ = 61326031200. Its totient is φ = 30645318336.

The previous prime is 45981250387. The next prime is 45981250459. The reversal of 45981250449 is 94405218954.

It is a happy number.

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

It is not a de Polignac number, because 45981250449 - 2¹⁷ = 45981119377 is a prime.

It is a super-2 number, since 2×45981250449² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45981250459) 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 7 ways as a sum of consecutive naturals, for example, 2200024 + ... + 2220825.

It is an arithmetic number, because the mean of its divisors is an integer number (7665753900).

Almost surely, 2^45981250449 is an apocalyptic number.

It is an amenable number.

45981250449 is a deficient number, since it is larger than the sum of its proper divisors (15344780751).

45981250449 is a wasteful number, since it uses less digits than its factorization.

45981250449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424319.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 45981250449 in words is "forty-five billion, nine hundred eighty-one million, two hundred fifty thousand, four hundred forty-nine".