155224463 has 2 divisors, whose sum is σ = 155224464. Its totient is φ = 155224462.

The previous prime is 155224451. The next prime is 155224481. The reversal of 155224463 is 364422551.

It is a weak prime.

It is an emirp because it is prime and its reverse (364422551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155224463 - 2¹⁸ = 154962319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155224763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77612231 + 77612232.

It is an arithmetic number, because the mean of its divisors is an integer number (77612232).

Almost surely, 2^155224463 is an apocalyptic number.

155224463 is a deficient number, since it is larger than the sum of its proper divisors (1).

155224463 is an equidigital number, since it uses as much as digits as its factorization.

155224463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 32.

The square root of 155224463 is about 12458.9109877228. The cubic root of 155224463 is about 537.4277103429.

The spelling of 155224463 in words is "one hundred fifty-five million, two hundred twenty-four thousand, four hundred sixty-three".