2100146149 has 2 divisors, whose sum is σ = 2100146150. Its totient is φ = 2100146148.

The previous prime is 2100146143. The next prime is 2100146173. The reversal of 2100146149 is 9416410012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1672401025 + 427745124 = 40895^2 + 20682^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100146149 - 2³ = 2100146141 is a prime.

It is a super-2 number, since 2×2100146149² = 8821227694319060402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100146141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050073074 + 1050073075.

It is an arithmetic number, because the mean of its divisors is an integer number (1050073075).

Almost surely, 2^2100146149 is an apocalyptic number.

It is an amenable number.

2100146149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100146149 is an equidigital number, since it uses as much as digits as its factorization.

2100146149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2100146149 is about 45827.3515381371. The cubic root of 2100146149 is about 1280.6088714991.

The spelling of 2100146149 in words is "two billion, one hundred million, one hundred forty-six thousand, one hundred forty-nine".