1678148045 has 8 divisors (see below), whose sum is σ = 2301460224. Its totient is φ = 1150730064.

The previous prime is 1678148041. The next prime is 1678148051. The reversal of 1678148045 is 5408418761.

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 1678148045 - 2² = 1678148041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1678147987 and 1678148005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1678148041) 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, 23973509 + ... + 23973578.

It is an arithmetic number, because the mean of its divisors is an integer number (287682528).

Almost surely, 2^1678148045 is an apocalyptic number.

It is an amenable number.

1678148045 is a deficient number, since it is larger than the sum of its proper divisors (623312179).

1678148045 is an equidigital number, since it uses as much as digits as its factorization.

1678148045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47947099.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 1678148045 is about 40965.2052966905. The cubic root of 1678148045 is about 1188.3474094686.

The spelling of 1678148045 in words is "one billion, six hundred seventy-eight million, one hundred forty-eight thousand, forty-five".