442958149 has 8 divisors (see below), whose sum is σ = 451062648. Its totient is φ = 434880960.

The previous prime is 442958141. The next prime is 442958207. The reversal of 442958149 is 941859244.

It can be written as a sum of positive squares in 4 ways, for example, as 1664100 + 441294049 = 1290^2 + 21007^2 .

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 442958149 - 2³ = 442958141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442958099 and 442958108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442958141) 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, 27459 + ... + 40495.

It is an arithmetic number, because the mean of its divisors is an integer number (56382831).

Almost surely, 2^442958149 is an apocalyptic number.

It is an amenable number.

442958149 is a deficient number, since it is larger than the sum of its proper divisors (8104499).

442958149 is a wasteful number, since it uses less digits than its factorization.

442958149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13655.

The product of its digits is 414720, while the sum is 46.

The square root of 442958149 is about 21046.5709558588. The cubic root of 442958149 is about 762.2911865367.

The spelling of 442958149 in words is "four hundred forty-two million, nine hundred fifty-eight thousand, one hundred forty-nine".