674148155 has 8 divisors (see below), whose sum is σ = 810823200. Its totient is φ = 538088256.

The previous prime is 674148143. The next prime is 674148179. The reversal of 674148155 is 551841476.

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 674148155 - 2²⁴ = 657370939 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151370 + ... + 155759.

It is an arithmetic number, because the mean of its divisors is an integer number (101352900).

Almost surely, 2^674148155 is an apocalyptic number.

674148155 is a deficient number, since it is larger than the sum of its proper divisors (136675045).

674148155 is a wasteful number, since it uses less digits than its factorization.

674148155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307573.

The product of its digits is 134400, while the sum is 41.

The square root of 674148155 is about 25964.3631733960. The cubic root of 674148155 is about 876.8361572535.

The spelling of 674148155 in words is "six hundred seventy-four million, one hundred forty-eight thousand, one hundred fifty-five".