155332245 has 16 divisors (see below), whose sum is σ = 248688000. Its totient is φ = 82791744.

The previous prime is 155332223. The next prime is 155332279. The reversal of 155332245 is 542233551.

It is not a de Polignac number, because 155332245 - 2⁷ = 155332117 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39352 + ... + 43118.

It is an arithmetic number, because the mean of its divisors is an integer number (15543000).

Almost surely, 2^155332245 is an apocalyptic number.

155332245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155332245 is a deficient number, since it is larger than the sum of its proper divisors (93355755).

155332245 is a wasteful number, since it uses less digits than its factorization.

155332245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6524.

The product of its digits is 18000, while the sum is 30.

The square root of 155332245 is about 12463.2357355544. The cubic root of 155332245 is about 537.5520713930.

Adding to 155332245 its reverse (542233551), we get a palindrome (697565796).

The spelling of 155332245 in words is "one hundred fifty-five million, three hundred thirty-two thousand, two hundred forty-five".