155620463 has 2 divisors, whose sum is σ = 155620464. Its totient is φ = 155620462.

The previous prime is 155620459. The next prime is 155620477. The reversal of 155620463 is 364026551.

155620463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155620463 - 2² = 155620459 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155620433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77810231 + 77810232.

It is an arithmetic number, because the mean of its divisors is an integer number (77810232).

Almost surely, 2^155620463 is an apocalyptic number.

155620463 is a deficient number, since it is larger than the sum of its proper divisors (1).

155620463 is an equidigital number, since it uses as much as digits as its factorization.

155620463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 155620463 is about 12474.7931044968. The cubic root of 155620463 is about 537.8843407947.

The spelling of 155620463 in words is "one hundred fifty-five million, six hundred twenty thousand, four hundred sixty-three".