1146503145 has 16 divisors (see below), whose sum is σ = 1835373312. Its totient is φ = 611145600.

The previous prime is 1146503123. The next prime is 1146503191. The reversal of 1146503145 is 5413056411.

It is a happy number.

It is not a de Polignac number, because 1146503145 - 2¹⁰ = 1146502121 is a prime.

It is a super-2 number, since 2×1146503145² = 2628938922989782050, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10720 + ... + 49070.

It is an arithmetic number, because the mean of its divisors is an integer number (114710832).

Almost surely, 2^1146503145 is an apocalyptic number.

1146503145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1146503145 is a deficient number, since it is larger than the sum of its proper divisors (688870167).

1146503145 is a wasteful number, since it uses less digits than its factorization.

1146503145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40352.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1146503145 is about 33860.0523478627. The cubic root of 1146503145 is about 1046.6265566172.

Adding to 1146503145 its reverse (5413056411), we get a palindrome (6559559556).

The spelling of 1146503145 in words is "one billion, one hundred forty-six million, five hundred three thousand, one hundred forty-five".