155624061 has 8 divisors (see below), whose sum is σ = 214192384. Its totient is φ = 100402560.

The previous prime is 155624017. The next prime is 155624071. The reversal of 155624061 is 160426551.

155624061 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 a de Polignac number, because 155624061 - 2⁶ = 155623997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155624011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836596 + ... + 836781.

It is an arithmetic number, because the mean of its divisors is an integer number (26774048).

Almost surely, 2^155624061 is an apocalyptic number.

It is an amenable number.

155624061 is a deficient number, since it is larger than the sum of its proper divisors (58568323).

155624061 is a wasteful number, since it uses less digits than its factorization.

155624061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673411.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 155624061 is about 12474.9373144718. The cubic root of 155624061 is about 537.8884861214. Note that the first 3 decimals are identical.

The spelling of 155624061 in words is "one hundred fifty-five million, six hundred twenty-four thousand, sixty-one".