10145205553442 has 4 divisors (see below), whose sum is σ = 15217808330166. Its totient is φ = 5072602776720.

The previous prime is 10145205553433. The next prime is 10145205553519. The reversal of 10145205553442 is 24435550254101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5637732620881 + 4507472932561 = 2374391^2 + 2123081^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10145205553442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2536301388359 + ... + 2536301388362.

Almost surely, 2^{10145205553442} is an apocalyptic number.

10145205553442 is a deficient number, since it is larger than the sum of its proper divisors (5072602776724).

10145205553442 is an equidigital number, since it uses as much as digits as its factorization.

10145205553442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072602776723.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 10145205553442 in words is "ten trillion, one hundred forty-five billion, two hundred five million, five hundred fifty-three thousand, four hundred forty-two".