102050445 has 32 divisors (see below), whose sum is σ = 187011072. Its totient is φ = 46550592.

The previous prime is 102050437. The next prime is 102050461. The reversal of 102050445 is 544050201.

It is not a de Polignac number, because 102050445 - 2³ = 102050437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71004 + ... + 72426.

It is an arithmetic number, because the mean of its divisors is an integer number (5844096).

Almost surely, 2^102050445 is an apocalyptic number.

102050445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102050445 is a deficient number, since it is larger than the sum of its proper divisors (84960627).

102050445 is a wasteful number, since it uses less digits than its factorization.

102050445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 102050445 is about 10102.0020293009. The cubic root of 102050445 is about 467.3098848546.

The spelling of 102050445 in words is "one hundred two million, fifty thousand, four hundred forty-five".