1148238356 has 12 divisors (see below), whose sum is σ = 2010545460. Its totient is φ = 573796800.

The previous prime is 1148238349. The next prime is 1148238367. The reversal of 1148238356 is 6538328411.

It can be written as a sum of positive squares in 2 ways, for example, as 618317956 + 529920400 = 24866^2 + 23020^2 .

It is a super-3 number, since 3×1148238356³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72491 + ... + 86898.

It is an arithmetic number, because the mean of its divisors is an integer number (167545455).

Almost surely, 2^1148238356 is an apocalyptic number.

It is an amenable number.

1148238356 is a deficient number, since it is larger than the sum of its proper divisors (862307104).

1148238356 is a wasteful number, since it uses less digits than its factorization.

1148238356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161194 (or 161192 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 1148238356 is about 33885.6659370891. The cubic root of 1148238356 is about 1047.1543070123.

The spelling of 1148238356 in words is "one billion, one hundred forty-eight million, two hundred thirty-eight thousand, three hundred fifty-six".