1050644146 has 4 divisors (see below), whose sum is σ = 1575966222. Its totient is φ = 525322072.

The previous prime is 1050644141. The next prime is 1050644167. The reversal of 1050644146 is 6414460501.

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., 605898225 + 444745921 = 24615^2 + 21089^2 .

It is a super-2 number, since 2×1050644146² = 2207706243048138632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1050644141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262661035 + ... + 262661038.

Almost surely, 2^1050644146 is an apocalyptic number.

1050644146 is a deficient number, since it is larger than the sum of its proper divisors (525322076).

1050644146 is an equidigital number, since it uses as much as digits as its factorization.

1050644146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525322075.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1050644146 is about 32413.6413566881. The cubic root of 1050644146 is about 1016.6041580249.

The spelling of 1050644146 in words is "one billion, fifty million, six hundred forty-four thousand, one hundred forty-six".