1149345270 has 24 divisors (see below), whose sum is σ = 2988297936. Its totient is φ = 306492048.

The previous prime is 1149345247. The next prime is 1149345289. The reversal of 1149345270 is 725439411.

1149345270 is a `hidden beast` number, since 1 + 1 + 49 + 345 + 270 = 666.

It is a congruent number.

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, 6385162 + ... + 6385341.

It is an arithmetic number, because the mean of its divisors is an integer number (124512414).

Almost surely, 2^1149345270 is an apocalyptic number.

1149345270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1149345270 is an abundant number, since it is smaller than the sum of its proper divisors (1838952666).

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

1149345270 is a wasteful number, since it uses less digits than its factorization.

1149345270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12770516 (or 12770513 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1149345270 is about 33901.9950740366. The cubic root of 1149345270 is about 1047.4906882440.

The spelling of 1149345270 in words is "one billion, one hundred forty-nine million, three hundred forty-five thousand, two hundred seventy".