1148454216 has 192 divisors, whose sum is σ = 3995147520. Its totient is φ = 289681920.

The previous prime is 1148454173. The next prime is 1148454217. The reversal of 1148454216 is 6124548411.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1148454217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146886 + ... + 154506.

It is an arithmetic number, because the mean of its divisors is an integer number (20808060).

Almost surely, 2^1148454216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148454216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997573760).

1148454216 is an abundant number, since it is smaller than the sum of its proper divisors (2846693304).

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

1148454216 is a wasteful number, since it uses less digits than its factorization.

1148454216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7676 (or 7669 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 1148454216 is about 33888.8509099969. The cubic root of 1148454216 is about 1047.2199218923.

The spelling of 1148454216 in words is "one billion, one hundred forty-eight million, four hundred fifty-four thousand, two hundred sixteen".