442252151 has 8 divisors (see below), whose sum is σ = 507849600. Its totient is φ = 380886840.

The previous prime is 442252123. The next prime is 442252159. The reversal of 442252151 is 151252244.

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 442252151 - 2¹⁰ = 442251127 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 442252151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442252159) 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, 1057811 + ... + 1058228.

It is an arithmetic number, because the mean of its divisors is an integer number (63481200).

Almost surely, 2^442252151 is an apocalyptic number.

442252151 is a deficient number, since it is larger than the sum of its proper divisors (65597449).

442252151 is a wasteful number, since it uses less digits than its factorization.

442252151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116069.

The product of its digits is 3200, while the sum is 26.

The square root of 442252151 is about 21029.7919866080. The cubic root of 442252151 is about 761.8859848058.

The spelling of 442252151 in words is "four hundred forty-two million, two hundred fifty-two thousand, one hundred fifty-one".