155241763 has 2 divisors, whose sum is σ = 155241764. Its totient is φ = 155241762.

The previous prime is 155241719. The next prime is 155241781. The reversal of 155241763 is 367142551.

It is a strong prime.

It is an emirp because it is prime and its reverse (367142551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155241763 - 2²¹ = 153144611 is a prime.

It is not a weakly prime, because it can be changed into another prime (155245763) 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, 77620881 + 77620882.

It is an arithmetic number, because the mean of its divisors is an integer number (77620882).

Almost surely, 2^155241763 is an apocalyptic number.

155241763 is a deficient number, since it is larger than the sum of its proper divisors (1).

155241763 is an equidigital number, since it uses as much as digits as its factorization.

155241763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 155241763 is about 12459.6052505687. The cubic root of 155241763 is about 537.4476753103.

The spelling of 155241763 in words is "one hundred fifty-five million, two hundred forty-one thousand, seven hundred sixty-three".