42425149 has 8 divisors (see below), whose sum is σ = 48376440. Its totient is φ = 36857856.

The previous prime is 42425147. The next prime is 42425171. The reversal of 42425149 is 94152424.

It can be written as a sum of positive squares in 4 ways, for example, as 84100 + 42341049 = 290^2 + 6507^2 .

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 42425149 - 2¹ = 42425147 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 42425149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42425147) 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, 95764 + ... + 96205.

It is an arithmetic number, because the mean of its divisors is an integer number (6047055).

Almost surely, 2^42425149 is an apocalyptic number.

It is an amenable number.

42425149 is a deficient number, since it is larger than the sum of its proper divisors (5951291).

42425149 is a wasteful number, since it uses less digits than its factorization.

42425149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191999.

The product of its digits is 11520, while the sum is 31.

The square root of 42425149 is about 6513.4590656578. The cubic root of 42425149 is about 348.7716094231.

The spelling of 42425149 in words is "forty-two million, four hundred twenty-five thousand, one hundred forty-nine".