1145607254 has 16 divisors (see below), whose sum is σ = 1984903056. Its totient is φ = 490099200.

The previous prime is 1145607241. The next prime is 1145607257. The reversal of 1145607254 is 4527065411.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145607257) 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 7 ways as a sum of consecutive naturals, for example, 1531187 + ... + 1531934.

It is an arithmetic number, because the mean of its divisors is an integer number (124056441).

Almost surely, 2^1145607254 is an apocalyptic number.

1145607254 is a deficient number, since it is larger than the sum of its proper divisors (839295802).

1145607254 is a wasteful number, since it uses less digits than its factorization.

1145607254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063151.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 1145607254 is about 33846.8204415127. The cubic root of 1145607254 is about 1046.3538701571.

The spelling of 1145607254 in words is "one billion, one hundred forty-five million, six hundred seven thousand, two hundred fifty-four".