155132342 has 12 divisors (see below), whose sum is σ = 239161860. Its totient is φ = 75468456.

The previous prime is 155132323. The next prime is 155132353. The reversal of 155132342 is 243231551.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25592 + ... + 31067.

It is an arithmetic number, because the mean of its divisors is an integer number (19930155).

Almost surely, 2^155132342 is an apocalyptic number.

155132342 is a deficient number, since it is larger than the sum of its proper divisors (84029518).

155132342 is an equidigital number, since it uses as much as digits as its factorization.

155132342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56735 (or 56698 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 155132342 is about 12455.2134465853. The cubic root of 155132342 is about 537.3213736348.

Adding to 155132342 its reverse (243231551), we get a palindrome (398363893).

The spelling of 155132342 in words is "one hundred fifty-five million, one hundred thirty-two thousand, three hundred forty-two".