155342768 has 40 divisors (see below), whose sum is σ = 352373280. Its totient is φ = 64949760.

The previous prime is 155342743. The next prime is 155342771. The reversal of 155342768 is 867243551.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12323 + ... + 21506.

It is an arithmetic number, because the mean of its divisors is an integer number (8809332).

Almost surely, 2^155342768 is an apocalyptic number.

It is an amenable number.

155342768 is an abundant number, since it is smaller than the sum of its proper divisors (197030512).

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

155342768 is a wasteful number, since it uses less digits than its factorization.

155342768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33885 (or 33879 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 155342768 is about 12463.6578900418. The cubic root of 155342768 is about 537.5642099603.

The spelling of 155342768 in words is "one hundred fifty-five million, three hundred forty-two thousand, seven hundred sixty-eight".