1853073146 has 32 divisors (see below), whose sum is σ = 3025345680. Its totient is φ = 849139200.

The previous prime is 1853073137. The next prime is 1853073149. The reversal of 1853073146 is 6413703581.

It can be written as a sum of positive squares in 8 ways, for example, as 1463445025 + 389628121 = 38255^2 + 19739^2 .

It is a Smith number, since the sum of its digits (38) 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 (1853073149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77456 + ... + 98516.

Almost surely, 2^1853073146 is an apocalyptic number.

1853073146 is a deficient number, since it is larger than the sum of its proper divisors (1172272534).

1853073146 is a wasteful number, since it uses less digits than its factorization.

1853073146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21170.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1853073146 is about 43047.3361080567. The cubic root of 1853073146 is about 1228.2803973897.

The spelling of 1853073146 in words is "one billion, eight hundred fifty-three million, seventy-three thousand, one hundred forty-six".