1145156301 has 12 divisors (see below), whose sum is σ = 1655290780. Its totient is φ = 762894720.

The previous prime is 1145156293. The next prime is 1145156303. The reversal of 1145156301 is 1036515411.

1145156301 is a `hidden beast` number, since 1 + 14 + 5 + 15 + 630 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45239076 + 1099917225 = 6726^2 + 33165^2 .

It is not a de Polignac number, because 1145156301 - 2³ = 1145156293 is a prime.

It is a super-2 number, since 2×1145156301² = 2622765907440005202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145156303) 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 11 ways as a sum of consecutive naturals, for example, 31660 + ... + 57381.

Almost surely, 2^1145156301 is an apocalyptic number.

It is an amenable number.

1145156301 is a deficient number, since it is larger than the sum of its proper divisors (510134479).

1145156301 is a wasteful number, since it uses less digits than its factorization.

1145156301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90476 (or 90473 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1145156301 is about 33840.1581113328. The cubic root of 1145156301 is about 1046.2165577283.

The spelling of 1145156301 in words is "one billion, one hundred forty-five million, one hundred fifty-six thousand, three hundred one".