1148098554 has 24 divisors (see below), whose sum is σ = 2495406420. Its totient is φ = 381490368.

The previous prime is 1148098543. The next prime is 1148098571. The reversal of 1148098554 is 4558908411.

It is a happy number.

1148098554 is a `hidden beast` number, since 1 + 1 + 4 + 8 + 0 + 98 + 554 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1012957929 + 135140625 = 31827^2 + 11625^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94899 + ... + 106310.

Almost surely, 2^1148098554 is an apocalyptic number.

1148098554 is an abundant number, since it is smaller than the sum of its proper divisors (1347307866).

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

1148098554 is a wasteful number, since it uses less digits than its factorization.

1148098554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201534 (or 201531 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The square root of 1148098554 is about 33883.6030256524. The cubic root of 1148098554 is about 1047.1118070652. Note that the first 3 decimals are identical.

The spelling of 1148098554 in words is "one billion, one hundred forty-eight million, ninety-eight thousand, five hundred fifty-four".