45721754 has 16 divisors (see below), whose sum is σ = 73998792. Its totient is φ = 21062208.

The previous prime is 45721729. The next prime is 45721759. The reversal of 45721754 is 45712754.

45721754 = 462² + 463² + ... + 617².

45721754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 23377225 + 22344529 = 4835^2 + 4727^2 .

It is not an unprimeable number, because it can be changed into a prime (45721759) 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 7 ways as a sum of consecutive naturals, for example, 15632 + ... + 18324.

Almost surely, 2^45721754 is an apocalyptic number.

45721754 is a deficient number, since it is larger than the sum of its proper divisors (28277038).

45721754 is a wasteful number, since it uses less digits than its factorization.

45721754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361.

The product of its digits is 39200, while the sum is 35.

The square root of 45721754 is about 6761.7863024500. The cubic root of 45721754 is about 357.5808844321.

The spelling of 45721754 in words is "forty-five million, seven hundred twenty-one thousand, seven hundred fifty-four".