155234743 has 2 divisors, whose sum is σ = 155234744. Its totient is φ = 155234742.

The previous prime is 155234713. The next prime is 155234747. The reversal of 155234743 is 347432551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155234743 - 2¹³ = 155226551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155234699 and 155234708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155234747) 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, 77617371 + 77617372.

It is an arithmetic number, because the mean of its divisors is an integer number (77617372).

Almost surely, 2^155234743 is an apocalyptic number.

155234743 is a deficient number, since it is larger than the sum of its proper divisors (1).

155234743 is an equidigital number, since it uses as much as digits as its factorization.

155234743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 34.

The square root of 155234743 is about 12459.3235370144. The cubic root of 155234743 is about 537.4395740977.

The spelling of 155234743 in words is "one hundred fifty-five million, two hundred thirty-four thousand, seven hundred forty-three".