102145415626 has 16 divisors (see below), whose sum is σ = 157230612000. Its totient is φ = 49742018928.

The previous prime is 102145415609. The next prime is 102145415627. The reversal of 102145415626 is 626514541201.

It is a super-4 number, since 4×102145415626⁴ (a number of 45 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (102145415627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671616 + ... + 1731643.

It is an arithmetic number, because the mean of its divisors is an integer number (9826913250).

Almost surely, 2^102145415626 is an apocalyptic number.

102145415626 is a deficient number, since it is larger than the sum of its proper divisors (55085196374).

102145415626 is a wasteful number, since it uses less digits than its factorization.

102145415626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403653.

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 102145415626 its reverse (626514541201), we get a palindrome (728659956827).

The spelling of 102145415626 in words is "one hundred two billion, one hundred forty-five million, four hundred fifteen thousand, six hundred twenty-six".