1148461757 has 4 divisors (see below), whose sum is σ = 1156067616. Its totient is φ = 1140855900.

The previous prime is 1148461739. The next prime is 1148461771. The reversal of 1148461757 is 7571648411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1148461757 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 (1148461057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3802703 + ... + 3803004.

It is an arithmetic number, because the mean of its divisors is an integer number (289016904).

Almost surely, 2^1148461757 is an apocalyptic number.

It is an amenable number.

1148461757 is a deficient number, since it is larger than the sum of its proper divisors (7605859).

1148461757 is an equidigital number, since it uses as much as digits as its factorization.

1148461757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7605858.

The product of its digits is 188160, while the sum is 44.

The square root of 1148461757 is about 33888.9621705947. The cubic root of 1148461757 is about 1047.2222139785. Note that the first 4 decimals are identical.

The spelling of 1148461757 in words is "one billion, one hundred forty-eight million, four hundred sixty-one thousand, seven hundred fifty-seven".