155154230029 has 2 divisors, whose sum is σ = 155154230030. Its totient is φ = 155154230028.

The previous prime is 155154229999. The next prime is 155154230051. The reversal of 155154230029 is 920032451551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131858313129 + 23295916900 = 363123^2 + 152630^2 .

It is a cyclic number.

It is not a de Polignac number, because 155154230029 - 2²³ = 155145841421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155154230029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155154230069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77577115014 + 77577115015.

It is an arithmetic number, because the mean of its divisors is an integer number (77577115015).

Almost surely, 2^155154230029 is an apocalyptic number.

It is an amenable number.

155154230029 is a deficient number, since it is larger than the sum of its proper divisors (1).

155154230029 is an equidigital number, since it uses as much as digits as its factorization.

155154230029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 155154230029 in words is "one hundred fifty-five billion, one hundred fifty-four million, two hundred thirty thousand, twenty-nine".