45149278751 has 8 divisors (see below), whose sum is σ = 47557676400. Its totient is φ = 42744093120.

The previous prime is 45149278747. The next prime is 45149278787. The reversal of 45149278751 is 15787294154.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45149278751 - 2² = 45149278747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45149278693 and 45149278702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45149278721) 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, 774116 + ... + 830393.

It is an arithmetic number, because the mean of its divisors is an integer number (5944709550).

Almost surely, 2^45149278751 is an apocalyptic number.

45149278751 is a deficient number, since it is larger than the sum of its proper divisors (2408397649).

45149278751 is a wasteful number, since it uses less digits than its factorization.

45149278751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606009.

The product of its digits is 2822400, while the sum is 53.

The spelling of 45149278751 in words is "forty-five billion, one hundred forty-nine million, two hundred seventy-eight thousand, seven hundred fifty-one".