102043451 has 4 divisors (see below), whose sum is σ = 102128112. Its totient is φ = 101958792.

The previous prime is 102043441. The next prime is 102043453. The reversal of 102043451 is 154340201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102043451 - 2¹⁰ = 102042427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102043453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40496 + ... + 42941.

It is an arithmetic number, because the mean of its divisors is an integer number (25532028).

Almost surely, 2^102043451 is an apocalyptic number.

102043451 is a deficient number, since it is larger than the sum of its proper divisors (84661).

102043451 is an equidigital number, since it uses as much as digits as its factorization.

102043451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84660.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 102043451 is about 10101.6558543637. The cubic root of 102043451 is about 467.2992089579.

Adding to 102043451 its reverse (154340201), we get a palindrome (256383652).

The spelling of 102043451 in words is "one hundred two million, forty-three thousand, four hundred fifty-one".