1146478055 has 8 divisors (see below), whose sum is σ = 1376008800. Its totient is φ = 917025696.

The previous prime is 1146477953. The next prime is 1146478111. The reversal of 1146478055 is 5508746411.

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 1146478055 - 2⁸ = 1146477799 is a prime.

It is a super-3 number, since 3×1146478055³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19781 + ... + 51809.

It is an arithmetic number, because the mean of its divisors is an integer number (172001100).

Almost surely, 2^1146478055 is an apocalyptic number.

1146478055 is a deficient number, since it is larger than the sum of its proper divisors (229530745).

1146478055 is an equidigital number, since it uses as much as digits as its factorization.

1146478055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39193.

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

The square root of 1146478055 is about 33859.6818502478. The cubic root of 1146478055 is about 1046.6189217924.

The spelling of 1146478055 in words is "one billion, one hundred forty-six million, four hundred seventy-eight thousand, fifty-five".