155200601 has 8 divisors (see below), whose sum is σ = 160902144. Its totient is φ = 149542560.

The previous prime is 155200583. The next prime is 155200637. The reversal of 155200601 is 106002551.

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 155200601 - 2⁶ = 155200537 is a prime.

It is a super-2 number, since 2×155200601² = 48174453101522402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155200651) 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, 3521 + ... + 17966.

It is an arithmetic number, because the mean of its divisors is an integer number (20112768).

Almost surely, 2^155200601 is an apocalyptic number.

It is an amenable number.

155200601 is a deficient number, since it is larger than the sum of its proper divisors (5701543).

155200601 is a wasteful number, since it uses less digits than its factorization.

155200601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21751.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 155200601 is about 12457.9533230784. The cubic root of 155200601 is about 537.4001701022.

The spelling of 155200601 in words is "one hundred fifty-five million, two hundred thousand, six hundred one".