42149300 has 18 divisors (see below), whose sum is σ = 91464198. Its totient is φ = 16859680.

The previous prime is 42149291. The next prime is 42149311. The reversal of 42149300 is 394124.

It can be written as a sum of positive squares in 3 ways, for example, as 4351396 + 37797904 = 2086^2 + 6148^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210647 + ... + 210846.

Almost surely, 2^42149300 is an apocalyptic number.

It is an amenable number.

42149300 is an abundant number, since it is smaller than the sum of its proper divisors (49314898).

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

42149300 is a wasteful number, since it uses less digits than its factorization.

42149300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421507 (or 421500 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 42149300 is about 6492.2492250375. The cubic root of 42149300 is about 348.0140589731.

The spelling of 42149300 in words is "forty-two million, one hundred forty-nine thousand, three hundred".