1148380146 has 16 divisors (see below), whose sum is σ = 2551956000. Its totient is φ = 382793364.

The previous prime is 1148380139. The next prime is 1148380153. The reversal of 1148380146 is 6410838411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1148380139) and next prime (1148380153).

It is a self number, because there is not a number n which added to its sum of digits gives 1148380146.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10633096 + ... + 10633203.

It is an arithmetic number, because the mean of its divisors is an integer number (159497250).

Almost surely, 2^1148380146 is an apocalyptic number.

1148380146 is an abundant number, since it is smaller than the sum of its proper divisors (1403575854).

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

1148380146 is a wasteful number, since it uses less digits than its factorization.

1148380146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21266310 (or 21266304 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1148380146 is about 33887.7580550853. The cubic root of 1148380146 is about 1047.1974077900.

The spelling of 1148380146 in words is "one billion, one hundred forty-eight million, three hundred eighty thousand, one hundred forty-six".