155660342 has 8 divisors (see below), whose sum is σ = 241542000. Its totient is φ = 75146344.

The previous prime is 155660341. The next prime is 155660353. The reversal of 155660342 is 243066551.

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 = 155660299 and 155660308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155660341) 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, 1341842 + ... + 1341957.

It is an arithmetic number, because the mean of its divisors is an integer number (30192750).

Almost surely, 2^155660342 is an apocalyptic number.

155660342 is a deficient number, since it is larger than the sum of its proper divisors (85881658).

155660342 is a wasteful number, since it uses less digits than its factorization.

155660342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683830.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 155660342 is about 12476.3913853325. The cubic root of 155660342 is about 537.9302826056.

The spelling of 155660342 in words is "one hundred fifty-five million, six hundred sixty thousand, three hundred forty-two".