42945300 has 54 divisors (see below), whose sum is σ = 134612478. Its totient is φ = 11451840.

The previous prime is 42945293. The next prime is 42945307. The reversal of 42945300 is 354924.

42945300 is a `hidden beast` number, since 42 + 94 + 530 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (42945293) and next prime (42945307).

It can be written as a sum of positive squares in 3 ways, for example, as 799236 + 42146064 = 894^2 + 6492^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42945307) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22959 + ... + 24758.

Almost surely, 2^42945300 is an apocalyptic number.

It is an amenable number.

42945300 is an abundant number, since it is smaller than the sum of its proper divisors (91667178).

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

42945300 is a wasteful number, since it uses less digits than its factorization.

42945300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47737 (or 47727 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 42945300 is about 6553.2663611363. The cubic root of 42945300 is about 350.1911880612.

The spelling of 42945300 in words is "forty-two million, nine hundred forty-five thousand, three hundred".