102090254954 has 8 divisors (see below), whose sum is σ = 153589791108. Its totient is φ = 50893657920.

The previous prime is 102090254953. The next prime is 102090254969. The reversal of 102090254954 is 459452090201.

It can be written as a sum of positive squares in 2 ways, for example, as 79426457929 + 22663797025 = 281827^2 + 150545^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102090254953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75733937 + ... + 75735284.

Almost surely, 2^102090254954 is an apocalyptic number.

102090254954 is a deficient number, since it is larger than the sum of its proper divisors (51499536154).

102090254954 is a wasteful number, since it uses less digits than its factorization.

102090254954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151469560.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 102090254954 in words is "one hundred two billion, ninety million, two hundred fifty-four thousand, nine hundred fifty-four".