2154743300 has 18 divisors (see below), whose sum is σ = 4675793178. Its totient is φ = 861897280.

The previous prime is 2154743291. The next prime is 2154743309. The reversal of 2154743300 is 33474512.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2154743291) and next prime (2154743309).

It can be written as a sum of positive squares in 3 ways, for example, as 1597696 + 2153145604 = 1264^2 + 46402^2 .

It is a super-5 number, since 5×2154743300⁵ (a number of 48 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (2154743309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10773617 + ... + 10773816.

Almost surely, 2^2154743300 is an apocalyptic number.

2154743300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2154743300 is an abundant number, since it is smaller than the sum of its proper divisors (2521049878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154743300 is a wasteful number, since it uses less digits than its factorization.

2154743300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21547447 (or 21547440 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 2154743300 is about 46419.2126171912. The cubic root of 2154743300 is about 1291.6113310090.

The spelling of 2154743300 in words is "two billion, one hundred fifty-four million, seven hundred forty-three thousand, three hundred".