1145455201 has 8 divisors (see below), whose sum is σ = 1257548544. Its totient is φ = 1034688720.

The previous prime is 1145455159. The next prime is 1145455211. The reversal of 1145455201 is 1025545411.

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 1145455201 - 2¹⁷ = 1145324129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145455201.

It is not an unprimeable number, because it can be changed into a prime (1145455211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329905 + ... + 333358.

It is an arithmetic number, because the mean of its divisors is an integer number (157193568).

Almost surely, 2^1145455201 is an apocalyptic number.

1145455201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1145455201 is a deficient number, since it is larger than the sum of its proper divisors (112093343).

1145455201 is a wasteful number, since it uses less digits than its factorization.

1145455201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663431.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1145455201 is about 33844.5741737136. The cubic root of 1145455201 is about 1046.3075749764.

The spelling of 1145455201 in words is "one billion, one hundred forty-five million, four hundred fifty-five thousand, two hundred one".