42145300 has 18 divisors (see below), whose sum is σ = 91455518. Its totient is φ = 16858080.

The previous prime is 42145297. The next prime is 42145319. The reversal of 42145300 is 354124.

It can be written as a sum of positive squares in 3 ways, for example, as 2782224 + 39363076 = 1668^2 + 6274^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210627 + ... + 210826.

Almost surely, 2^42145300 is an apocalyptic number.

It is an amenable number.

42145300 is an abundant number, since it is smaller than the sum of its proper divisors (49310218).

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

42145300 is a wasteful number, since it uses less digits than its factorization.

42145300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421467 (or 421460 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 42145300 is about 6491.9411580821. The cubic root of 42145300 is about 348.0030496936.

Adding to 42145300 its reverse (354124), we get a palindrome (42499424).

The spelling of 42145300 in words is "forty-two million, one hundred forty-five thousand, three hundred".