155622345 has 8 divisors (see below), whose sum is σ = 248995776. Its totient is φ = 82998576.

The previous prime is 155622343. The next prime is 155622359. The reversal of 155622345 is 543226551.

155622345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 155622345 - 2¹ = 155622343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155622343) 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, 5187397 + ... + 5187426.

It is an arithmetic number, because the mean of its divisors is an integer number (31124472).

Almost surely, 2^155622345 is an apocalyptic number.

155622345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155622345 is a deficient number, since it is larger than the sum of its proper divisors (93373431).

155622345 is a wasteful number, since it uses less digits than its factorization.

155622345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10374831.

The product of its digits is 36000, while the sum is 33.

The square root of 155622345 is about 12474.8685363815. The cubic root of 155622345 is about 537.8865090920.

Adding to 155622345 its reverse (543226551), we get a palindrome (698848896).

The spelling of 155622345 in words is "one hundred fifty-five million, six hundred twenty-two thousand, three hundred forty-five".