155364983 has 2 divisors, whose sum is σ = 155364984. Its totient is φ = 155364982.

The previous prime is 155364971. The next prime is 155365013. The reversal of 155364983 is 389463551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155364983 - 2¹⁶ = 155299447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155364383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77682491 + 77682492.

It is an arithmetic number, because the mean of its divisors is an integer number (77682492).

Almost surely, 2^155364983 is an apocalyptic number.

155364983 is a deficient number, since it is larger than the sum of its proper divisors (1).

155364983 is an equidigital number, since it uses as much as digits as its factorization.

155364983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 44.

The square root of 155364983 is about 12464.5490492035. The cubic root of 155364983 is about 537.5898337681.

The spelling of 155364983 in words is "one hundred fifty-five million, three hundred sixty-four thousand, nine hundred eighty-three".