45567540 has 36 divisors (see below), whose sum is σ = 138222084. Its totient is φ = 12151296.

The previous prime is 45567539. The next prime is 45567541. The reversal of 45567540 is 4576554.

It is a happy number.

45567540 is a `hidden beast` number, since 4 + 55 + 67 + 540 = 666.

It is an interprime number because it is at equal distance from previous prime (45567539) and next prime (45567541).

It can be written as a sum of positive squares in 2 ways, for example, as 35569296 + 9998244 = 5964^2 + 3162^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 45567495 and 45567504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45567541) 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, 126397 + ... + 126756.

Almost surely, 2^45567540 is an apocalyptic number.

It is an amenable number.

45567540 is an abundant number, since it is smaller than the sum of its proper divisors (92654544).

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

45567540 is a wasteful number, since it uses less digits than its factorization.

45567540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253168 (or 253163 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 45567540 is about 6750.3733230096. The cubic root of 45567540 is about 357.1784057567.

The spelling of 45567540 in words is "forty-five million, five hundred sixty-seven thousand, five hundred forty".