1148865290 has 8 divisors (see below), whose sum is σ = 2067957540. Its totient is φ = 459546112.

The previous prime is 1148865283. The next prime is 1148865307. The reversal of 1148865290 is 925688411.

It can be written as a sum of positive squares in 2 ways, for example, as 1089066001 + 59799289 = 33001^2 + 7733^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57443255 + ... + 57443274.

Almost surely, 2^1148865290 is an apocalyptic number.

1148865290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1148865290 is a deficient number, since it is larger than the sum of its proper divisors (919092250).

1148865290 is a wasteful number, since it uses less digits than its factorization.

1148865290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114886536.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 1148865290 is about 33894.9154003960. The cubic root of 1148865290 is about 1047.3448531620.

The spelling of 1148865290 in words is "one billion, one hundred forty-eight million, eight hundred sixty-five thousand, two hundred ninety".