1146400145 has 32 divisors (see below), whose sum is σ = 1534187520. Its totient is φ = 815328000.

The previous prime is 1146400097. The next prime is 1146400159. The reversal of 1146400145 is 5410046411.

It is not a de Polignac number, because 1146400145 - 2¹⁴ = 1146383761 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639911 + ... + 641699.

It is an arithmetic number, because the mean of its divisors is an integer number (47943360).

Almost surely, 2^1146400145 is an apocalyptic number.

It is an amenable number.

1146400145 is a deficient number, since it is larger than the sum of its proper divisors (387787375).

1146400145 is a wasteful number, since it uses less digits than its factorization.

1146400145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1146400145 is about 33858.5313473576. The cubic root of 1146400145 is about 1046.5952132626.

Adding to 1146400145 its reverse (5410046411), we get a palindrome (6556446556).

The spelling of 1146400145 in words is "one billion, one hundred forty-six million, four hundred thousand, one hundred forty-five".