1946455146 has 12 divisors (see below), whose sum is σ = 4217319522. Its totient is φ = 648818376.

The previous prime is 1946455139. The next prime is 1946455163. The reversal of 1946455146 is 6415546491.

1946455146 is a `hidden beast` number, since 1 + 94 + 6 + 4 + 551 + 4 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1673709921 + 272745225 = 40911^2 + 16515^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54068181 + ... + 54068216.

Almost surely, 2^1946455146 is an apocalyptic number.

1946455146 is an abundant number, since it is smaller than the sum of its proper divisors (2270864376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1946455146 is a wasteful number, since it uses less digits than its factorization.

1946455146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108136405 (or 108136402 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 1946455146 is about 44118.6485060456. The cubic root of 1946455146 is about 1248.5754750129.

The spelling of 1946455146 in words is "one billion, nine hundred forty-six million, four hundred fifty-five thousand, one hundred forty-six".