42254189 has 8 divisors (see below), whose sum is σ = 43824000. Its totient is φ = 40691952.

The previous prime is 42254183. The next prime is 42254213. The reversal of 42254189 is 98145224.

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

It is a cyclic number.

It is not a de Polignac number, because 42254189 - 2¹² = 42250093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42254183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11072 + ... + 14390.

It is an arithmetic number, because the mean of its divisors is an integer number (5478000).

Almost surely, 2^42254189 is an apocalyptic number.

It is an amenable number.

42254189 is a deficient number, since it is larger than the sum of its proper divisors (1569811).

42254189 is a wasteful number, since it uses less digits than its factorization.

42254189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787.

The product of its digits is 23040, while the sum is 35.

The square root of 42254189 is about 6500.3222227825. The cubic root of 42254189 is about 348.3024987905.

It can be divided in two parts, 42254 and 189, that multiplied together give a triangular number (7986006 = T₃₉₉₆).

The spelling of 42254189 in words is "forty-two million, two hundred fifty-four thousand, one hundred eighty-nine".