1101157145 has 16 divisors (see below), whose sum is σ = 1442264832. Its totient is φ = 800424960.

The previous prime is 1101157073. The next prime is 1101157157. The reversal of 1101157145 is 5417511011.

It is not a de Polignac number, because 1101157145 - 2¹⁶ = 1101091609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135929 + ... + 143801.

It is an arithmetic number, because the mean of its divisors is an integer number (90141552).

Almost surely, 2^1101157145 is an apocalyptic number.

It is an amenable number.

1101157145 is a deficient number, since it is larger than the sum of its proper divisors (341107687).

1101157145 is a wasteful number, since it uses less digits than its factorization.

1101157145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10432.

The product of its (nonzero) digits is 700, while the sum is 26.

The square root of 1101157145 is about 33183.6879354902. The cubic root of 1101157145 is about 1032.6419576285.

Adding to 1101157145 its reverse (5417511011), we get a palindrome (6518668156).

The spelling of 1101157145 in words is "one billion, one hundred one million, one hundred fifty-seven thousand, one hundred forty-five".