1148091465 has 16 divisors (see below), whose sum is σ = 1844574336. Its totient is φ = 609772800.

The previous prime is 1148091449. The next prime is 1148091523. The reversal of 1148091465 is 5641908411.

It is not a de Polignac number, because 1148091465 - 2⁴ = 1148091449 is a prime.

It is a super-2 number, since 2×1148091465² = 2636228024011692450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155181 + ... + 162410.

It is an arithmetic number, because the mean of its divisors is an integer number (115285896).

Almost surely, 2^1148091465 is an apocalyptic number.

1148091465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1148091465 is a deficient number, since it is larger than the sum of its proper divisors (696482871).

1148091465 is a wasteful number, since it uses less digits than its factorization.

1148091465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317840.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1148091465 is about 33883.4984173712. The cubic root of 1148091465 is about 1047.1096519103.

Adding to 1148091465 its reverse (5641908411), we get a palindrome (6789999876).

The spelling of 1148091465 in words is "one billion, one hundred forty-eight million, ninety-one thousand, four hundred sixty-five".