102545544 has 16 divisors (see below), whose sum is σ = 256363920. Its totient is φ = 34181840.

The previous prime is 102545539. The next prime is 102545563. The reversal of 102545544 is 445545201.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2136342 + ... + 2136389.

It is an arithmetic number, because the mean of its divisors is an integer number (16022745).

Almost surely, 2^102545544 is an apocalyptic number.

It is an amenable number.

102545544 is an abundant number, since it is smaller than the sum of its proper divisors (153818376).

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

102545544 is a wasteful number, since it uses less digits than its factorization.

102545544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272740 (or 4272736 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 102545544 is about 10126.4773736971. The cubic root of 102545544 is about 468.0643859111.

The spelling of 102545544 in words is "one hundred two million, five hundred forty-five thousand, five hundred forty-four".