155645134 has 8 divisors (see below), whose sum is σ = 233656920. Its totient is φ = 77759496.

The previous prime is 155645129. The next prime is 155645179. The reversal of 155645134 is 431546551.

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 155645134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28389 + ... + 33424.

It is an arithmetic number, because the mean of its divisors is an integer number (29207115).

Almost surely, 2^155645134 is an apocalyptic number.

155645134 is a deficient number, since it is larger than the sum of its proper divisors (78011786).

155645134 is a wasteful number, since it uses less digits than its factorization.

155645134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63074.

The product of its digits is 36000, while the sum is 34.

The square root of 155645134 is about 12475.7818993440. The cubic root of 155645134 is about 537.9127634566.

The spelling of 155645134 in words is "one hundred fifty-five million, six hundred forty-five thousand, one hundred thirty-four".