42540150 has 24 divisors (see below), whose sum is σ = 105499944. Its totient is φ = 11344000.

The previous prime is 42540139. The next prime is 42540167. The reversal of 42540150 is 5104524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141651 + ... + 141950.

It is an arithmetic number, because the mean of its divisors is an integer number (4395831).

Almost surely, 2^42540150 is an apocalyptic number.

42540150 is an abundant number, since it is smaller than the sum of its proper divisors (62959794).

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

42540150 is a wasteful number, since it uses less digits than its factorization.

42540150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283616 (or 283611 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 42540150 is about 6522.2810427028. The cubic root of 42540150 is about 349.0864611743.

Adding to 42540150 its reverse (5104524), we get a palindrome (47644674).

The spelling of 42540150 in words is "forty-two million, five hundred forty thousand, one hundred fifty".