155042359 has 4 divisors (see below), whose sum is σ = 155538016. Its totient is φ = 154546704.

The previous prime is 155042357. The next prime is 155042369. The reversal of 155042359 is 953240551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155042359 - 2¹ = 155042357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155042357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247359 + ... + 247984.

It is an arithmetic number, because the mean of its divisors is an integer number (38884504).

Almost surely, 2^155042359 is an apocalyptic number.

155042359 is a deficient number, since it is larger than the sum of its proper divisors (495657).

155042359 is an equidigital number, since it uses as much as digits as its factorization.

155042359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495656.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 155042359 is about 12451.6006601561. The cubic root of 155042359 is about 537.2174642032.

The spelling of 155042359 in words is "one hundred fifty-five million, forty-two thousand, three hundred fifty-nine".