1145151 has 32 divisors (see below), whose sum is σ = 1989120. Its totient is φ = 637632.

The previous prime is 1145143. The next prime is 1145173. The reversal of 1145151 is 1515411.

It is a happy number.

It is not a de Polignac number, because 1145151 - 2³ = 1145143 is a prime.

It is a super-2 number, since 2×1145151² = 2622741625602, which contains 22 as substring.

1145151 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13756 + ... + 13838.

It is an arithmetic number, because the mean of its divisors is an integer number (62160).

2^1145151 is an apocalyptic number.

1145151 is a deficient number, since it is larger than the sum of its proper divisors (843969).

1145151 is an equidigital number, since it uses as much as digits as its factorization.

1145151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 166 counting only the distinct ones).

The product of its digits is 100, while the sum is 18.

The square root of 1145151 is about 1070.1172832919. The cubic root of 1145151 is about 104.6214943392.

It can be divided in two parts, 1145 and 151, that added together give a 4-th power (1296 = 6⁴).

The spelling of 1145151 in words is "one million, one hundred forty-five thousand, one hundred fifty-one".