42140548 has 6 divisors (see below), whose sum is σ = 73745966. Its totient is φ = 21070272.

The previous prime is 42140543. The next prime is 42140561. The reversal of 42140548 is 84504124.

It can be written as a sum of positive squares in only one way, i.e., 37552384 + 4588164 = 6128^2 + 2142^2 .

It is not an unprimeable number, because it can be changed into a prime (42140543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5267565 + ... + 5267572.

Almost surely, 2^42140548 is an apocalyptic number.

It is an amenable number.

42140548 is a deficient number, since it is larger than the sum of its proper divisors (31605418).

42140548 is a wasteful number, since it uses less digits than its factorization.

42140548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10535141 (or 10535139 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 42140548 is about 6491.5751555381. The cubic root of 42140548 is about 347.9899697642.

The spelling of 42140548 in words is "forty-two million, one hundred forty thousand, five hundred forty-eight".