42150522 has 8 divisors (see below), whose sum is σ = 84301056. Its totient is φ = 14050172.

The previous prime is 42150509. The next prime is 42150547. The reversal of 42150522 is 22505124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

42150522 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3512538 + ... + 3512549.

It is an arithmetic number, because the mean of its divisors is an integer number (10537632).

Almost surely, 2^42150522 is an apocalyptic number.

42150522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42150522 is a wasteful number, since it uses less digits than its factorization.

42150522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025092.

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

The square root of 42150522 is about 6492.3433365773. The cubic root of 42150522 is about 348.0174221691.

Adding to 42150522 its reverse (22505124), we get a palindrome (64655646).

The spelling of 42150522 in words is "forty-two million, one hundred fifty thousand, five hundred twenty-two".