155292983 has 2 divisors, whose sum is σ = 155292984. Its totient is φ = 155292982.

The previous prime is 155292923. The next prime is 155293003. The reversal of 155292983 is 389292551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155292983 - 2²² = 151098679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155292913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77646491 + 77646492.

It is an arithmetic number, because the mean of its divisors is an integer number (77646492).

Almost surely, 2^155292983 is an apocalyptic number.

155292983 is a deficient number, since it is larger than the sum of its proper divisors (1).

155292983 is an equidigital number, since it uses as much as digits as its factorization.

155292983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 44.

The square root of 155292983 is about 12461.6605233813. The cubic root of 155292983 is about 537.5067767669.

The spelling of 155292983 in words is "one hundred fifty-five million, two hundred ninety-two thousand, nine hundred eighty-three".