1145917546 has 16 divisors (see below), whose sum is σ = 1803643200. Its totient is φ = 544981888.

The previous prime is 1145917541. The next prime is 1145917561. The reversal of 1145917546 is 6457195411.

It is a super-3 number, since 3×1145917546³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145917541) 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, 61351 + ... + 77818.

It is an arithmetic number, because the mean of its divisors is an integer number (112727700).

Almost surely, 2^1145917546 is an apocalyptic number.

1145917546 is a deficient number, since it is larger than the sum of its proper divisors (657725654).

1145917546 is a wasteful number, since it uses less digits than its factorization.

1145917546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139373.

The product of its digits is 151200, while the sum is 43.

The square root of 1145917546 is about 33851.4038999862. The cubic root of 1145917546 is about 1046.4483312461.

The spelling of 1145917546 in words is "one billion, one hundred forty-five million, nine hundred seventeen thousand, five hundred forty-six".