102454442 has 8 divisors (see below), whose sum is σ = 158639232. Its totient is φ = 49574700.

The previous prime is 102454439. The next prime is 102454463. The reversal of 102454442 is 244454201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826184 + ... + 826307.

It is an arithmetic number, because the mean of its divisors is an integer number (19829904).

Almost surely, 2^102454442 is an apocalyptic number.

102454442 is a deficient number, since it is larger than the sum of its proper divisors (56184790).

102454442 is a wasteful number, since it uses less digits than its factorization.

102454442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652524.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 102454442 is about 10121.9781663467. The cubic root of 102454442 is about 467.9257345570.

The spelling of 102454442 in words is "one hundred two million, four hundred fifty-four thousand, four hundred forty-two".