442230154 has 16 divisors (see below), whose sum is σ = 692774208. Its totient is φ = 211321792.

The previous prime is 442230143. The next prime is 442230157. The reversal of 442230154 is 451032244.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (442230157) 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, 62274 + ... + 69010.

It is an arithmetic number, because the mean of its divisors is an integer number (43298388).

Almost surely, 2^442230154 is an apocalyptic number.

442230154 is a deficient number, since it is larger than the sum of its proper divisors (250544054).

442230154 is a wasteful number, since it uses less digits than its factorization.

442230154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8189.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 442230154 is about 21029.2689839661. The cubic root of 442230154 is about 761.8733528839.

Adding to 442230154 its reverse (451032244), we get a palindrome (893262398).

The spelling of 442230154 in words is "four hundred forty-two million, two hundred thirty thousand, one hundred fifty-four".