1148461772 has 6 divisors (see below), whose sum is σ = 2009808108. Its totient is φ = 574230884.

The previous prime is 1148461771. The next prime is 1148461813. The reversal of 1148461772 is 2771648411.

It is not an unprimeable number, because it can be changed into a prime (1148461771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143557718 + ... + 143557725.

It is an arithmetic number, because the mean of its divisors is an integer number (334968018).

Almost surely, 2^1148461772 is an apocalyptic number.

It is an amenable number.

1148461772 is a deficient number, since it is larger than the sum of its proper divisors (861346336).

1148461772 is a wasteful number, since it uses less digits than its factorization.

1148461772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287115447 (or 287115445 counting only the distinct ones).

The product of its digits is 75264, while the sum is 41.

The square root of 1148461772 is about 33888.9623919057. The cubic root of 1148461772 is about 1047.2222185377. Note that the first 4 decimals are identical.

The spelling of 1148461772 in words is "one billion, one hundred forty-eight million, four hundred sixty-one thousand, seven hundred seventy-two".