45558940 has 24 divisors (see below), whose sum is σ = 109341792. Its totient is φ = 15620160.

The previous prime is 45558937. The next prime is 45558943. The reversal of 45558940 is 4985554.

It is an interprime number because it is at equal distance from previous prime (45558937) and next prime (45558943).

It is a junction number, because it is equal to n+sod(n) for n = 45558893 and 45558902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45558943) 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, 162571 + ... + 162850.

It is an arithmetic number, because the mean of its divisors is an integer number (4555908).

Almost surely, 2^45558940 is an apocalyptic number.

It is an amenable number.

45558940 is an abundant number, since it is smaller than the sum of its proper divisors (63782852).

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

45558940 is a wasteful number, since it uses less digits than its factorization.

45558940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325437 (or 325435 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 45558940 is about 6749.7362911450. The cubic root of 45558940 is about 357.1559341497.

It can be divided in two parts, 455 and 58940, that added together give a palindrome (59395).

The spelling of 45558940 in words is "forty-five million, five hundred fifty-eight thousand, nine hundred forty".