102425245 has 32 divisors (see below), whose sum is σ = 139144320. Its totient is φ = 71850240.

The previous prime is 102425243. The next prime is 102425251. The reversal of 102425245 is 542524201.

It is not a de Polignac number, because 102425245 - 2¹ = 102425243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102425243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125890 + ... + 126700.

It is an arithmetic number, because the mean of its divisors is an integer number (4348260).

Almost surely, 2^102425245 is an apocalyptic number.

It is an amenable number.

102425245 is a deficient number, since it is larger than the sum of its proper divisors (36719075).

102425245 is a wasteful number, since it uses less digits than its factorization.

102425245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 102425245 is about 10120.5358059739. The cubic root of 102425245 is about 467.8812812195.

Adding to 102425245 its reverse (542524201), we get a palindrome (644949446).

The spelling of 102425245 in words is "one hundred two million, four hundred twenty-five thousand, two hundred forty-five".