102545157 has 32 divisors (see below), whose sum is σ = 161796096. Its totient is φ = 56952000.

The previous prime is 102545143. The next prime is 102545171. The reversal of 102545157 is 751545201.

It is an interprime number because it is at equal distance from previous prime (102545143) and next prime (102545171).

It is not a de Polignac number, because 102545157 - 2²² = 98350853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102545137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63988 + ... + 65570.

It is an arithmetic number, because the mean of its divisors is an integer number (5056128).

Almost surely, 2^102545157 is an apocalyptic number.

It is an amenable number.

102545157 is a deficient number, since it is larger than the sum of its proper divisors (59250939).

102545157 is a wasteful number, since it uses less digits than its factorization.

102545157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 102545157 is about 10126.4582653562. The cubic root of 102545157 is about 468.0637970958.

The spelling of 102545157 in words is "one hundred two million, five hundred forty-five thousand, one hundred fifty-seven".