155356142 has 8 divisors (see below), whose sum is σ = 236854632. Its totient is φ = 76404600.

The previous prime is 155356139. The next prime is 155356147. The reversal of 155356142 is 241653551.

155356142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 155356099 and 155356108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155356147) 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, 636584 + ... + 636827.

It is an arithmetic number, because the mean of its divisors is an integer number (29606829).

Almost surely, 2^155356142 is an apocalyptic number.

155356142 is a deficient number, since it is larger than the sum of its proper divisors (81498490).

155356142 is a wasteful number, since it uses less digits than its factorization.

155356142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273474.

The product of its digits is 18000, while the sum is 32.

The square root of 155356142 is about 12464.1943983556. The cubic root of 155356142 is about 537.5796364427.

The spelling of 155356142 in words is "one hundred fifty-five million, three hundred fifty-six thousand, one hundred forty-two".