155463673 has 4 divisors (see below), whose sum is σ = 155695348. Its totient is φ = 155232000.

The previous prime is 155463661. The next prime is 155463683. The reversal of 155463673 is 376364551.

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 18292729 + 137170944 = 4277^2 + 11712^2 .

It is a cyclic number.

It is not a de Polignac number, because 155463673 - 2¹⁷ = 155332601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155463683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114828 + ... + 116173.

It is an arithmetic number, because the mean of its divisors is an integer number (38923837).

Almost surely, 2^155463673 is an apocalyptic number.

It is an amenable number.

155463673 is a deficient number, since it is larger than the sum of its proper divisors (231675).

155463673 is an equidigital number, since it uses as much as digits as its factorization.

155463673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231674.

The product of its digits is 226800, while the sum is 40.

The square root of 155463673 is about 12468.5072482635. The cubic root of 155463673 is about 537.7036378569.

The spelling of 155463673 in words is "one hundred fifty-five million, four hundred sixty-three thousand, six hundred seventy-three".