1145425405 has 32 divisors (see below), whose sum is σ = 1505806848. Its totient is φ = 832972800.

The previous prime is 1145425399. The next prime is 1145425409. The reversal of 1145425405 is 5045245411.

It is a happy number.

It is not a de Polignac number, because 1145425405 - 2³ = 1145425397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145425409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357360 + ... + 360550.

It is an arithmetic number, because the mean of its divisors is an integer number (47056464).

Almost surely, 2^1145425405 is an apocalyptic number.

It is an amenable number.

1145425405 is a deficient number, since it is larger than the sum of its proper divisors (360381443).

1145425405 is a wasteful number, since it uses less digits than its factorization.

1145425405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 1145425405 is about 33844.1339821246. The cubic root of 1145425405 is about 1046.2985025859.

The spelling of 1145425405 in words is "one billion, one hundred forty-five million, four hundred twenty-five thousand, four hundred five".