1154500146 has 24 divisors (see below), whose sum is σ = 2502041724. Its totient is φ = 384737280.

The previous prime is 1154500133. The next prime is 1154500169. The reversal of 1154500146 is 6410054511.

1154500146 is a `hidden beast` number, since 1 + 15 + 4 + 500 + 146 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1074200625 + 80299521 = 32775^2 + 8961^2 .

It is a super-2 number, since 2×1154500146² = 2665741174228042632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138826 + ... + 146906.

Almost surely, 2^1154500146 is an apocalyptic number.

1154500146 is an abundant number, since it is smaller than the sum of its proper divisors (1347541578).

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

1154500146 is a wasteful number, since it uses less digits than its factorization.

1154500146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16026 (or 16023 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1154500146 is about 33977.9361645171. The cubic root of 1154500146 is about 1049.0543703907.

Adding to 1154500146 its reverse (6410054511), we get a palindrome (7564554657).

The spelling of 1154500146 in words is "one billion, one hundred fifty-four million, five hundred thousand, one hundred forty-six".