45351647 has 6 divisors (see below), whose sum is σ = 49849464. Its totient is φ = 41228660.

The previous prime is 45351637. The next prime is 45351661. The reversal of 45351647 is 74615354.

45351647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45351647 - 2¹⁰ = 45350623 is a prime.

It is a super-2 number, since 2×45351647² = 4113543771225218, which 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 (45351637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187283 + ... + 187524.

It is an arithmetic number, because the mean of its divisors is an integer number (8308244).

Almost surely, 2^45351647 is an apocalyptic number.

45351647 is a deficient number, since it is larger than the sum of its proper divisors (4497817).

45351647 is a wasteful number, since it uses less digits than its factorization.

45351647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374829 (or 374818 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 45351647 is about 6734.3631473214. The cubic root of 45351647 is about 356.6134244727.

The spelling of 45351647 in words is "forty-five million, three hundred fifty-one thousand, six hundred forty-seven".