2045154101 has 2 divisors, whose sum is σ = 2045154102. Its totient is φ = 2045154100.

The previous prime is 2045154071. The next prime is 2045154107. The reversal of 2045154101 is 1014515402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1538679076 + 506475025 = 39226^2 + 22505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045154101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045154107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022577050 + 1022577051.

It is an arithmetic number, because the mean of its divisors is an integer number (1022577051).

Almost surely, 2^2045154101 is an apocalyptic number.

It is an amenable number.

2045154101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045154101 is an equidigital number, since it uses as much as digits as its factorization.

2045154101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2045154101 is about 45223.3800262652. The cubic root of 2045154101 is about 1269.3323419357.

Adding to 2045154101 its reverse (1014515402), we get a palindrome (3059669503).

The spelling of 2045154101 in words is "two billion, forty-five million, one hundred fifty-four thousand, one hundred one".