1145154 has 32 divisors (see below), whose sum is σ = 2471040. Its totient is φ = 352512.

The previous prime is 1145143. The next prime is 1145173. The reversal of 1145154 is 4515411.

1145154 = T₈₇ + T₈₈ + ... + T₁₉₅.

It is a super-2 number, since 2×1145154² = 2622755367432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145154.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10452 + ... + 10560.

It is an arithmetic number, because the mean of its divisors is an integer number (77220).

2^1145154 is an apocalyptic number.

1145154 is an abundant number, since it is smaller than the sum of its proper divisors (1325886).

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

1145154 is a wasteful number, since it uses less digits than its factorization.

1145154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234.

The product of its digits is 400, while the sum is 21.

The square root of 1145154 is about 1070.1186850065. The cubic root of 1145154 is about 104.6215856995.

It can be divided in two parts, 11 and 45154, that multiplied together give a palindrome (496694).

The spelling of 1145154 in words is "one million, one hundred forty-five thousand, one hundred fifty-four".