102432043402 has 32 divisors (see below), whose sum is σ = 169672703760. Its totient is φ = 46077050880.

The previous prime is 102432043391. The next prime is 102432043433. The reversal of 102432043402 is 204340234201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 702303001 + 101729740401 = 26501^2 + 318951^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027978 + ... + 1123210.

Almost surely, 2^102432043402 is an apocalyptic number.

102432043402 is a deficient number, since it is larger than the sum of its proper divisors (67240660358).

102432043402 is a wasteful number, since it uses less digits than its factorization.

102432043402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96298.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 102432043402 its reverse (204340234201), we get a palindrome (306772277603).

The spelling of 102432043402 in words is "one hundred two billion, four hundred thirty-two million, forty-three thousand, four hundred two".