45047136 has 24 divisors (see below), whose sum is σ = 118248984. Its totient is φ = 15015680.

The previous prime is 45047131. The next prime is 45047141. The reversal of 45047136 is 63174054.

It is an interprime number because it is at equal distance from previous prime (45047131) and next prime (45047141).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45047131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234525 + ... + 234716.

It is an arithmetic number, because the mean of its divisors is an integer number (4927041).

Almost surely, 2^45047136 is an apocalyptic number.

It is an amenable number.

45047136 is an abundant number, since it is smaller than the sum of its proper divisors (73201848).

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

45047136 is a wasteful number, since it uses less digits than its factorization.

45047136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469254 (or 469246 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 45047136 is about 6711.7163229684. The cubic root of 45047136 is about 355.8134780181.

It can be divided in two parts, 450 and 47136, that added together give a triangular number (47586 = T₃₀₈).

The spelling of 45047136 in words is "forty-five million, forty-seven thousand, one hundred thirty-six".