45542052 has 36 divisors (see below), whose sum is σ = 117297180. Its totient is φ = 14893632.

The previous prime is 45542009. The next prime is 45542059. The reversal of 45542052 is 25024554.

45542052 is a `hidden beast` number, since 455 + 4 + 205 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34292736 + 11249316 = 5856^2 + 3354^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45542059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10027 + ... + 13842.

It is an arithmetic number, because the mean of its divisors is an integer number (3258255).

Almost surely, 2^45542052 is an apocalyptic number.

It is an amenable number.

45542052 is an abundant number, since it is smaller than the sum of its proper divisors (71755128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45542052 is a wasteful number, since it uses less digits than its factorization.

45542052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23932 (or 23927 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 45542052 is about 6748.4851633533. The cubic root of 45542052 is about 357.1117979542. Note that the first 3 decimals are identical.

The spelling of 45542052 in words is "forty-five million, five hundred forty-two thousand, fifty-two".