Search a number
-
+
1148460157 = 1388343089
BaseRepresentation
bin100010001110100…
…0001110001111101
32222001000211011101
41010131001301331
54323001211112
6305543253101
740313515225
oct10435016175
92861024141
101148460157
1153a304129
1228074a191
13153c1a230
14ac755085
156ac59757
hex44741c7d

1148460157 has 4 divisors (see below), whose sum is σ = 1236803260. Its totient is φ = 1060117056.

The previous prime is 1148460151. The next prime is 1148460161. The reversal of 1148460157 is 7510648411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 281098756 + 867361401 = 16766^2 + 29451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1148460157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148460151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44171532 + ... + 44171557.

It is an arithmetic number, because the mean of its divisors is an integer number (309200815).

Almost surely, 21148460157 is an apocalyptic number.

It is an amenable number.

1148460157 is a deficient number, since it is larger than the sum of its proper divisors (88343103).

1148460157 is an equidigital number, since it uses as much as digits as its factorization.

1148460157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88343102.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1148460157 is about 33888.9385640802. The cubic root of 1148460157 is about 1047.2217276595.

The spelling of 1148460157 in words is "one billion, one hundred forty-eight million, four hundred sixty thousand, one hundred fifty-seven".

Divisors: 1 13 88343089 1148460157