1145347515 has 24 divisors (see below), whose sum is σ = 2137983120. Its totient is φ = 563863104.

The previous prime is 1145347507. The next prime is 1145347517. The reversal of 1145347515 is 5157435411.

1145347515 is a `hidden beast` number, since 114 + 534 + 7 + 5 + 1 + 5 = 666.

It is not a de Polignac number, because 1145347515 - 2³ = 1145347507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1145347515.

It is not an unprimeable number, because it can be changed into a prime (1145347517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 978345 + ... + 979514.

It is an arithmetic number, because the mean of its divisors is an integer number (89082630).

Almost surely, 2^1145347515 is an apocalyptic number.

1145347515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1145347515 is a deficient number, since it is larger than the sum of its proper divisors (992635605).

1145347515 is a wasteful number, since it uses less digits than its factorization.

1145347515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957883 (or 1957880 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 1145347515 is about 33842.9832461620. The cubic root of 1145347515 is about 1046.2747856223.

The spelling of 1145347515 in words is "one billion, one hundred forty-five million, three hundred forty-seven thousand, five hundred fifteen".