155641546 has 8 divisors (see below), whose sum is σ = 233563104. Its totient is φ = 77787180.

The previous prime is 155641543. The next prime is 155641609. The reversal of 155641546 is 645146551.

155641546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (155641543) 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, 10540 + ... + 20551.

It is an arithmetic number, because the mean of its divisors is an integer number (29195388).

Almost surely, 2^155641546 is an apocalyptic number.

155641546 is a deficient number, since it is larger than the sum of its proper divisors (77921558).

155641546 is a wasteful number, since it uses less digits than its factorization.

155641546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33596.

The product of its digits is 72000, while the sum is 37.

The square root of 155641546 is about 12475.6380999130. The cubic root of 155641546 is about 537.9086300244.

The spelling of 155641546 in words is "one hundred fifty-five million, six hundred forty-one thousand, five hundred forty-six".