1154639476 has 24 divisors (see below), whose sum is σ = 2073728384. Its totient is φ = 562330080.

The previous prime is 1154639471. The next prime is 1154639489. The reversal of 1154639476 is 6749364511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154639471) 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, 2161 + ... + 48103.

Almost surely, 2^1154639476 is an apocalyptic number.

It is an amenable number.

1154639476 is a deficient number, since it is larger than the sum of its proper divisors (919088908).

1154639476 is a wasteful number, since it uses less digits than its factorization.

1154639476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46111 (or 46109 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 1154639476 is about 33979.9864037642. The cubic root of 1154639476 is about 1049.0965701445.

The spelling of 1154639476 in words is "one billion, one hundred fifty-four million, six hundred thirty-nine thousand, four hundred seventy-six".