978148342 has 8 divisors (see below), whose sum is σ = 1480683600. Its totient is φ = 484587144.

The previous prime is 978148333. The next prime is 978148351. The reversal of 978148342 is 243841879.

It is an interprime number because it is at equal distance from previous prime (978148333) and next prime (978148351).

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

It is a junction number, because it is equal to n+sod(n) for n = 978148292 and 978148301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243242 + ... + 2243677.

It is an arithmetic number, because the mean of its divisors is an integer number (185085450).

Almost surely, 2^978148342 is an apocalyptic number.

978148342 is a deficient number, since it is larger than the sum of its proper divisors (502535258).

978148342 is a wasteful number, since it uses less digits than its factorization.

978148342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487030.

The product of its digits is 387072, while the sum is 46.

The square root of 978148342 is about 31275.3631793461. The cubic root of 978148342 is about 992.6624053914.

The spelling of 978148342 in words is "nine hundred seventy-eight million, one hundred forty-eight thousand, three hundred forty-two".