102944297042 has 4 divisors (see below), whose sum is σ = 154416445566. Its totient is φ = 51472148520.

The previous prime is 102944297041. The next prime is 102944297059. The reversal of 102944297042 is 240792449201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240792449201 = 701 ⋅343498501.

It can be written as a sum of positive squares in only one way, i.e., 96838593721 + 6105703321 = 311189^2 + 78139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102944296984 and 102944297002.

It is not an unprimeable number, because it can be changed into a prime (102944297041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25736074259 + ... + 25736074262.

Almost surely, 2^102944297042 is an apocalyptic number.

102944297042 is a deficient number, since it is larger than the sum of its proper divisors (51472148524).

102944297042 is an equidigital number, since it uses as much as digits as its factorization.

102944297042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51472148523.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 102944297042 in words is "one hundred two billion, nine hundred forty-four million, two hundred ninety-seven thousand, forty-two".