155332607 has 4 divisors (see below), whose sum is σ = 155380176. Its totient is φ = 155285040.

The previous prime is 155332601. The next prime is 155332609. The reversal of 155332607 is 706233551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155332607 - 2¹⁶ = 155267071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155332601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18494 + ... + 25547.

It is an arithmetic number, because the mean of its divisors is an integer number (38845044).

Almost surely, 2^155332607 is an apocalyptic number.

155332607 is a deficient number, since it is larger than the sum of its proper divisors (47569).

155332607 is an equidigital number, since it uses as much as digits as its factorization.

155332607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47568.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 155332607 is about 12463.2502582593. The cubic root of 155332607 is about 537.5524889790.

The spelling of 155332607 in words is "one hundred fifty-five million, three hundred thirty-two thousand, six hundred seven".