2301156045 has 18 divisors (see below), whose sum is σ = 3989228334. Its totient is φ = 1227111600.

The previous prime is 2301156041. The next prime is 2301156047. The reversal of 2301156045 is 5406511032.

It can be written as a sum of positive squares in only one way, i.e., 1840924836 + 460231209 = 42906^2 + 21453^2 .

It is not a de Polignac number, because 2301156045 - 2² = 2301156041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301156041) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 318220 + ... + 325370.

Almost surely, 2^2301156045 is an apocalyptic number.

It is an amenable number.

2301156045 is a deficient number, since it is larger than the sum of its proper divisors (1688072289).

2301156045 is an frugal number, since it uses more digits than its factorization.

2301156045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14313 (or 7159 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2301156045 is about 47970.3663213030. The cubic root of 2301156045 is about 1320.2272422134.

Adding to 2301156045 its reverse (5406511032), we get a palindrome (7707667077).

The spelling of 2301156045 in words is "two billion, three hundred one million, one hundred fifty-six thousand, forty-five".