1672462145 has 4 divisors (see below), whose sum is σ = 2006954580. Its totient is φ = 1337969712.

The previous prime is 1672462133. The next prime is 1672462163. The reversal of 1672462145 is 5412642761.

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 2 ways, for example, as 807866929 + 864595216 = 28423^2 + 29404^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672462145 - 2¹² = 1672458049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1672462099 and 1672462108.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 167246210 + ... + 167246219.

It is an arithmetic number, because the mean of its divisors is an integer number (501738645).

Almost surely, 2^1672462145 is an apocalyptic number.

It is an amenable number.

1672462145 is a deficient number, since it is larger than the sum of its proper divisors (334492435).

1672462145 is an equidigital number, since it uses as much as digits as its factorization.

1672462145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334492434.

The product of its digits is 80640, while the sum is 38.

The square root of 1672462145 is about 40895.7472727911. The cubic root of 1672462145 is about 1187.0037715401.

The spelling of 1672462145 in words is "one billion, six hundred seventy-two million, four hundred sixty-two thousand, one hundred forty-five".