1145152551 has 8 divisors (see below), whose sum is σ = 1579520880. Its totient is φ = 737109632.

The previous prime is 1145152531. The next prime is 1145152597. The reversal of 1145152551 is 1552515411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1145152551 - 2⁷ = 1145152423 is a prime.

It is a super-2 number, since 2×1145152551² = 2622748730123615202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145152511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6581250 + ... + 6581423.

It is an arithmetic number, because the mean of its divisors is an integer number (197440110).

Almost surely, 2^1145152551 is an apocalyptic number.

1145152551 is a deficient number, since it is larger than the sum of its proper divisors (434368329).

1145152551 is a wasteful number, since it uses less digits than its factorization.

1145152551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13162705.

The product of its digits is 5000, while the sum is 30.

The square root of 1145152551 is about 33840.1027037449. The cubic root of 1145152551 is about 1046.2154157251.

Adding to 1145152551 its reverse (1552515411), we get a palindrome (2697667962).

The spelling of 1145152551 in words is "one billion, one hundred forty-five million, one hundred fifty-two thousand, five hundred fifty-one".