154447982 has 8 divisors (see below), whose sum is σ = 249492936. Its totient is φ = 71283672.

The previous prime is 154447981. The next prime is 154448023. The reversal of 154447982 is 289744451.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154447981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2970128 + ... + 2970179.

It is an arithmetic number, because the mean of its divisors is an integer number (31186617).

Almost surely, 2^154447982 is an apocalyptic number.

154447982 is a deficient number, since it is larger than the sum of its proper divisors (95044954).

154447982 is a wasteful number, since it uses less digits than its factorization.

154447982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940322.

The product of its digits is 322560, while the sum is 44.

The square root of 154447982 is about 12427.7102476683. The cubic root of 154447982 is about 536.5300851372.

The spelling of 154447982 in words is "one hundred fifty-four million, four hundred forty-seven thousand, nine hundred eighty-two".