42550152 has 16 divisors (see below), whose sum is σ = 106375440. Its totient is φ = 14183376.

The previous prime is 42550147. The next prime is 42550153. The reversal of 42550152 is 25105524.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1772923 = 42550152 / (4 + 2 + 5 + 5 + 0 + 1 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (42550153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886438 + ... + 886485.

It is an arithmetic number, because the mean of its divisors is an integer number (6648465).

Almost surely, 2^42550152 is an apocalyptic number.

It is an amenable number.

42550152 is an abundant number, since it is smaller than the sum of its proper divisors (63825288).

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

42550152 is a wasteful number, since it uses less digits than its factorization.

42550152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772932 (or 1772928 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 42550152 is about 6523.0477539261. The cubic root of 42550152 is about 349.1138179903.

Adding to 42550152 its reverse (25105524), we get a palindrome (67655676).

The spelling of 42550152 in words is "forty-two million, five hundred fifty thousand, one hundred fifty-two".