1158146048 has 72 divisors (see below), whose sum is σ = 2423052450. Its totient is φ = 553377792.

The previous prime is 1158146027. The next prime is 1158146069. The reversal of 1158146048 is 8406418511.

It is an interprime number because it is at equal distance from previous prime (1158146027) and next prime (1158146069).

It can be written as a sum of positive squares in only one way, i.e., 1001595904 + 156550144 = 31648^2 + 12512^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1082858 + ... + 1083926.

Almost surely, 2^1158146048 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 1158146048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1211526225).

1158146048 is an abundant number, since it is smaller than the sum of its proper divisors (1264906402).

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

1158146048 is an equidigital number, since it uses as much as digits as its factorization.

1158146048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1094 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 1158146048 is about 34031.5448958756. The cubic root of 1158146048 is about 1050.1575116689.

The spelling of 1158146048 in words is "one billion, one hundred fifty-eight million, one hundred forty-six thousand, forty-eight".