1145135201 has 16 divisors (see below), whose sum is σ = 1368228864. Its totient is φ = 937080144.

The previous prime is 1145135197. The next prime is 1145135219. The reversal of 1145135201 is 1025315411.

It is not a de Polignac number, because 1145135201 - 2² = 1145135197 is a prime.

It is a super-2 number, since 2×1145135201² = 2622669257138620802, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145135261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81566 + ... + 94568.

It is an arithmetic number, because the mean of its divisors is an integer number (85514304).

Almost surely, 2^1145135201 is an apocalyptic number.

It is an amenable number.

1145135201 is a deficient number, since it is larger than the sum of its proper divisors (223093663).

1145135201 is a wasteful number, since it uses less digits than its factorization.

1145135201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13580.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1145135201 is about 33839.8463501240. The cubic root of 1145135201 is about 1046.2101320247.

It can be divided in two parts, 114 and 5135201, that added together give a palindrome (5135315).

The spelling of 1145135201 in words is "one billion, one hundred forty-five million, one hundred thirty-five thousand, two hundred one".