1146409154 has 32 divisors (see below), whose sum is σ = 1925567424. Its totient is φ = 507386880.

The previous prime is 1146409153. The next prime is 1146409157. The reversal of 1146409154 is 4519046411.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1146409153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332222 + ... + 335654.

It is an arithmetic number, because the mean of its divisors is an integer number (60173982).

Almost surely, 2^1146409154 is an apocalyptic number.

1146409154 is a deficient number, since it is larger than the sum of its proper divisors (779158270).

1146409154 is a wasteful number, since it uses less digits than its factorization.

1146409154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1146409154 is about 33858.6643859441. The cubic root of 1146409154 is about 1046.5979548160.

The spelling of 1146409154 in words is "one billion, one hundred forty-six million, four hundred nine thousand, one hundred fifty-four".