42572455 has 8 divisors (see below), whose sum is σ = 52735104. Its totient is φ = 32959200.

The previous prime is 42572447. The next prime is 42572461. The reversal of 42572455 is 55427524.

42572455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42572455 - 2³ = 42572447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42572455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137176 + ... + 137485.

It is an arithmetic number, because the mean of its divisors is an integer number (6591888).

Almost surely, 2^42572455 is an apocalyptic number.

42572455 is a deficient number, since it is larger than the sum of its proper divisors (10162649).

42572455 is a wasteful number, since it uses less digits than its factorization.

42572455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274697.

The product of its digits is 56000, while the sum is 34.

The square root of 42572455 is about 6524.7570836009. The cubic root of 42572455 is about 349.1748042626.

Adding to 42572455 its reverse (55427524), we get a palindrome (97999979).

The spelling of 42572455 in words is "forty-two million, five hundred seventy-two thousand, four hundred fifty-five".