155343074 has 8 divisors (see below), whose sum is σ = 233200080. Its totient is φ = 77609716.

The previous prime is 155343043. The next prime is 155343091. The reversal of 155343074 is 470343551.

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

It is a self number, because there is not a number n which added to its sum of digits gives 155343074.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27704 + ... + 32835.

It is an arithmetic number, because the mean of its divisors is an integer number (29150010).

Almost surely, 2^155343074 is an apocalyptic number.

155343074 is a deficient number, since it is larger than the sum of its proper divisors (77857006).

155343074 is a wasteful number, since it uses less digits than its factorization.

155343074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61824.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 155343074 is about 12463.6701657257. The cubic root of 155343074 is about 537.5645629314.

The spelling of 155343074 in words is "one hundred fifty-five million, three hundred forty-three thousand, seventy-four".