155433601 has 8 divisors (see below), whose sum is σ = 165287304. Its totient is φ = 145658880.

The previous prime is 155433589. The next prime is 155433617. The reversal of 155433601 is 106334551.

It can be written as a sum of positive squares in 4 ways, for example, as 9144576 + 146289025 = 3024^2 + 12095^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 155433601 - 2¹¹ = 155431553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155433601.

It is not an unprimeable number, because it can be changed into a prime (155433631) 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, 15660 + ... + 23581.

It is an arithmetic number, because the mean of its divisors is an integer number (20660913).

Almost surely, 2^155433601 is an apocalyptic number.

It is an amenable number.

155433601 is a deficient number, since it is larger than the sum of its proper divisors (9853703).

155433601 is a wasteful number, since it uses less digits than its factorization.

155433601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39491.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 155433601 is about 12467.3012717268. The cubic root of 155433601 is about 537.6689655201.

The spelling of 155433601 in words is "one hundred fifty-five million, four hundred thirty-three thousand, six hundred one".