45547405 has 8 divisors (see below), whose sum is σ = 55688472. Its totient is φ = 35750208.

The previous prime is 45547393. The next prime is 45547409. The reversal of 45547405 is 50474554.

It can be written as a sum of positive squares in 4 ways, for example, as 10949481 + 34597924 = 3309^2 + 5882^2 .

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 45547405 - 2⁵ = 45547373 is a prime.

It is a super-2 number, since 2×45547405² = 4149132204468050, 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 (45547409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85674 + ... + 86203.

It is an arithmetic number, because the mean of its divisors is an integer number (6961059).

Almost surely, 2^45547405 is an apocalyptic number.

It is an amenable number.

45547405 is a deficient number, since it is larger than the sum of its proper divisors (10141067).

45547405 is a wasteful number, since it uses less digits than its factorization.

45547405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171935.

The product of its (nonzero) digits is 56000, while the sum is 34.

The square root of 45547405 is about 6748.8817592250. The cubic root of 45547405 is about 357.1257890129.

The spelling of 45547405 in words is "forty-five million, five hundred forty-seven thousand, four hundred five".