155445463 has 2 divisors, whose sum is σ = 155445464. Its totient is φ = 155445462.

The previous prime is 155445443. The next prime is 155445491. The reversal of 155445463 is 364544551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155445463 - 2¹⁷ = 155314391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155445413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77722731 + 77722732.

It is an arithmetic number, because the mean of its divisors is an integer number (77722732).

Almost surely, 2^155445463 is an apocalyptic number.

155445463 is a deficient number, since it is larger than the sum of its proper divisors (1).

155445463 is an equidigital number, since it uses as much as digits as its factorization.

155445463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 37.

The square root of 155445463 is about 12467.7769870976. The cubic root of 155445463 is about 537.6826426722.

The spelling of 155445463 in words is "one hundred fifty-five million, four hundred forty-five thousand, four hundred sixty-three".