1154425402 has 16 divisors (see below), whose sum is σ = 1881348840. Its totient is φ = 528095232.

The previous prime is 1154425381. The next prime is 1154425403. The reversal of 1154425402 is 2045244511.

It can be written as a sum of positive squares in 4 ways, for example, as 788430241 + 365995161 = 28079^2 + 19131^2 .

It is not an unprimeable number, because it can be changed into a prime (1154425403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193527 + ... + 199402.

Almost surely, 2^1154425402 is an apocalyptic number.

1154425402 is a deficient number, since it is larger than the sum of its proper divisors (726923438).

1154425402 is a wasteful number, since it uses less digits than its factorization.

1154425402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393057.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1154425402 is about 33976.8362564851. The cubic root of 1154425402 is about 1049.0317308058.

Adding to 1154425402 its reverse (2045244511), we get a palindrome (3199669913).

The spelling of 1154425402 in words is "one billion, one hundred fifty-four million, four hundred twenty-five thousand, four hundred two".