1145898135 has 24 divisors (see below), whose sum is σ = 2034671184. Its totient is φ = 596238720.

The previous prime is 1145898121. The next prime is 1145898137. The reversal of 1145898135 is 5318985411.

It is not a de Polignac number, because 1145898135 - 2⁶ = 1145898071 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145898137) 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, 308697 + ... + 312386.

It is an arithmetic number, because the mean of its divisors is an integer number (84777966).

Almost surely, 2^1145898135 is an apocalyptic number.

1145898135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1145898135 is a deficient number, since it is larger than the sum of its proper divisors (888773049).

1145898135 is a wasteful number, since it uses less digits than its factorization.

1145898135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621135 (or 621132 counting only the distinct ones).

The product of its digits is 172800, while the sum is 45.

The square root of 1145898135 is about 33851.1171898358. The cubic root of 1145898135 is about 1046.4424225245.

The spelling of 1145898135 in words is "one billion, one hundred forty-five million, eight hundred ninety-eight thousand, one hundred thirty-five".