155245323 has 8 divisors (see below), whose sum is σ = 214131600. Its totient is φ = 99927968.

The previous prime is 155245319. The next prime is 155245327. The reversal of 155245323 is 323542551.

It is an interprime number because it is at equal distance from previous prime (155245319) and next prime (155245327).

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

It is not a de Polignac number, because 155245323 - 2² = 155245319 is a prime.

It is a super-2 number, since 2×155245323² = 48202220626748658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155245327) 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, 892128 + ... + 892301.

It is an arithmetic number, because the mean of its divisors is an integer number (26766450).

Almost surely, 2^155245323 is an apocalyptic number.

155245323 is a deficient number, since it is larger than the sum of its proper divisors (58886277).

155245323 is a wasteful number, since it uses less digits than its factorization.

155245323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784461.

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

The square root of 155245323 is about 12459.7481114186. The cubic root of 155245323 is about 537.4517835242.

Adding to 155245323 its reverse (323542551), we get a palindrome (478787874).

The spelling of 155245323 in words is "one hundred fifty-five million, two hundred forty-five thousand, three hundred twenty-three".