155331342 has 24 divisors (see below), whose sum is σ = 337751544. Its totient is φ = 51592464.

The previous prime is 155331331. The next prime is 155331347. The reversal of 155331342 is 243133551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155331347) 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 in 11 ways as a sum of consecutive naturals, for example, 10153 + ... + 20340.

It is an arithmetic number, because the mean of its divisors is an integer number (14072981).

Almost surely, 2^155331342 is an apocalyptic number.

155331342 is an abundant number, since it is smaller than the sum of its proper divisors (182420202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155331342 is a wasteful number, since it uses less digits than its factorization.

155331342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30784 (or 30781 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 155331342 is about 12463.1995089544. The cubic root of 155331342 is about 537.5510297324.

Adding to 155331342 its reverse (243133551), we get a palindrome (398464893).

The spelling of 155331342 in words is "one hundred fifty-five million, three hundred thirty-one thousand, three hundred forty-two".