1145928151 has 4 divisors (see below), whose sum is σ = 1147683672. Its totient is φ = 1144172632.

The previous prime is 1145928139. The next prime is 1145928187. The reversal of 1145928151 is 1518295411.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1145928151 - 2¹³ = 1145919959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145928151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145928131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876781 + ... + 878086.

It is an arithmetic number, because the mean of its divisors is an integer number (286920918).

Almost surely, 2^1145928151 is an apocalyptic number.

1145928151 is a deficient number, since it is larger than the sum of its proper divisors (1755521).

1145928151 is an equidigital number, since it uses as much as digits as its factorization.

1145928151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755520.

The product of its digits is 14400, while the sum is 37.

The square root of 1145928151 is about 33851.5605400992. The cubic root of 1145928151 is about 1046.4515593871.

It can be divided in two parts, 1145 and 928151, that added together give a square (929296 = 964²).

The spelling of 1145928151 in words is "one billion, one hundred forty-five million, nine hundred twenty-eight thousand, one hundred fifty-one".