42150524 has 12 divisors (see below), whose sum is σ = 79437624. Its totient is φ = 19454064.

The previous prime is 42150509. The next prime is 42150547. The reversal of 42150524 is 42505124.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42150524.

It is a congruent 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, 405242 + ... + 405345.

It is an arithmetic number, because the mean of its divisors is an integer number (6619802).

Almost surely, 2^42150524 is an apocalyptic number.

It is an amenable number.

42150524 is a deficient number, since it is larger than the sum of its proper divisors (37287100).

42150524 is a wasteful number, since it uses less digits than its factorization.

42150524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810604 (or 810602 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 42150524 is about 6492.3434906049. The cubic root of 42150524 is about 348.0174276735.

Adding to 42150524 its reverse (42505124), we get a palindrome (84655648).

The spelling of 42150524 in words is "forty-two million, one hundred fifty thousand, five hundred twenty-four".