102023445 has 16 divisors (see below), whose sum is σ = 171829440. Its totient is φ = 51548544.

The previous prime is 102023437. The next prime is 102023447. The reversal of 102023445 is 544320201.

It is not a de Polignac number, because 102023445 - 2³ = 102023437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102023447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178704 + ... + 179273.

It is an arithmetic number, because the mean of its divisors is an integer number (10739340).

Almost surely, 2^102023445 is an apocalyptic number.

102023445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102023445 is a deficient number, since it is larger than the sum of its proper divisors (69805995).

102023445 is a wasteful number, since it uses less digits than its factorization.

102023445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358004.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 102023445 is about 10100.6655721294. The cubic root of 102023445 is about 467.2686683764.

Adding to 102023445 its reverse (544320201), we get a palindrome (646343646).

The spelling of 102023445 in words is "one hundred two million, twenty-three thousand, four hundred forty-five".