45400849 has 16 divisors (see below), whose sum is σ = 49932288. Its totient is φ = 41029632.

The previous prime is 45400847. The next prime is 45400871. The reversal of 45400849 is 94800454.

It is a cyclic number.

It is not a de Polignac number, because 45400849 - 2¹ = 45400847 is a prime.

It is a super-2 number, since 2×45400849² = 4122474179841602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45400843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176529 + ... + 176785.

It is an arithmetic number, because the mean of its divisors is an integer number (3120768).

Almost surely, 2^45400849 is an apocalyptic number.

It is an amenable number.

45400849 is a deficient number, since it is larger than the sum of its proper divisors (4531439).

45400849 is a wasteful number, since it uses less digits than its factorization.

45400849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 45400849 is about 6738.0152122120. The cubic root of 45400849 is about 356.7423411599.

The spelling of 45400849 in words is "forty-five million, four hundred thousand, eight hundred forty-nine".