1145329875 has 160 divisors (see below), whose sum is σ = 2283240960. Its totient is φ = 570240000.

The previous prime is 1145329859. The next prime is 1145329877. The reversal of 1145329875 is 5789235411.

It is not a de Polignac number, because 1145329875 - 2⁴ = 1145329859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1145329875.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145329877) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 12868831 + ... + 12868919.

It is an arithmetic number, because the mean of its divisors is an integer number (14270256).

Almost surely, 2^1145329875 is an apocalyptic number.

1145329875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1145329875 is a deficient number, since it is larger than the sum of its proper divisors (1137911085).

1145329875 is an equidigital number, since it uses as much as digits as its factorization.

1145329875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 169 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 1145329875 is about 33842.7226298358. The cubic root of 1145329875 is about 1046.2694142156.

It can be divided in two parts, 11453 and 29875, that added together give a triangular number (41328 = T₂₈₇).

The spelling of 1145329875 in words is "one billion, one hundred forty-five million, three hundred twenty-nine thousand, eight hundred seventy-five".