1148387244 has 24 divisors (see below), whose sum is σ = 2682017520. Its totient is φ = 382446144.

The previous prime is 1148387243. The next prime is 1148387257. The reversal of 1148387244 is 4427838411.

It is a junction number, because it is equal to n+sod(n) for n = 1148387196 and 1148387205.

It is not an unprimeable number, because it can be changed into a prime (1148387243) 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, 29839 + ... + 56454.

It is an arithmetic number, because the mean of its divisors is an integer number (111750730).

Almost surely, 2^1148387244 is an apocalyptic number.

It is an amenable number.

1148387244 is an abundant number, since it is smaller than the sum of its proper divisors (1533630276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1148387244 is a wasteful number, since it uses less digits than its factorization.

1148387244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87409 (or 87407 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 1148387244 is about 33887.8627830083. The cubic root of 1148387244 is about 1047.1995653194.

The spelling of 1148387244 in words is "one billion, one hundred forty-eight million, three hundred eighty-seven thousand, two hundred forty-four".