155473 has 2 divisors, whose sum is σ = 155474. Its totient is φ = 155472.

The previous prime is 155461. The next prime is 155501. The reversal of 155473 is 374551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154449 + 1024 = 393^2 + 32^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155473 is a prime.

It is not a weakly prime, because it can be changed into another prime (155413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77736 + 77737.

It is an arithmetic number, because the mean of its divisors is an integer number (77737).

2¹⁵⁵⁴⁷³ is an apocalyptic number.

It is an amenable number.

155473 is a deficient number, since it is larger than the sum of its proper divisors (1).

155473 is an equidigital number, since it uses as much as digits as its factorization.

155473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2100, while the sum is 25.

The square root of 155473 is about 394.3006467152. The cubic root of 155473 is about 53.7714390769.

The spelling of 155473 in words is "one hundred fifty-five thousand, four hundred seventy-three".