155142535 has 8 divisors (see below), whose sum is σ = 190132416. Its totient is φ = 121473120.

The previous prime is 155142529. The next prime is 155142539. The reversal of 155142535 is 535241551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-155142535 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155142497 and 155142506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155142539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329856 + ... + 330325.

It is an arithmetic number, because the mean of its divisors is an integer number (23766552).

Almost surely, 2^155142535 is an apocalyptic number.

155142535 is a deficient number, since it is larger than the sum of its proper divisors (34989881).

155142535 is an equidigital number, since it uses as much as digits as its factorization.

155142535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660233.

The product of its digits is 15000, while the sum is 31.

The square root of 155142535 is about 12455.6226259469. The cubic root of 155142535 is about 537.3331416447. Note that the first 3 decimals are identical.

The spelling of 155142535 in words is "one hundred fifty-five million, one hundred forty-two thousand, five hundred thirty-five".