155106445 has 16 divisors (see below), whose sum is σ = 201785472. Its totient is φ = 113774400.

The previous prime is 155106433. The next prime is 155106449. The reversal of 155106445 is 544601551.

It is not a de Polignac number, because 155106445 - 2⁹ = 155105933 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 (155106449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1914 + ... + 17716.

It is an arithmetic number, because the mean of its divisors is an integer number (12611592).

Almost surely, 2^155106445 is an apocalyptic number.

It is an amenable number.

155106445 is a deficient number, since it is larger than the sum of its proper divisors (46679027).

155106445 is a wasteful number, since it uses less digits than its factorization.

155106445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15972.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 155106445 is about 12454.1737983698. The cubic root of 155106445 is about 537.2914727433.

Adding to 155106445 its reverse (544601551), we get a palindrome (699707996).

It can be divided in two parts, 155106 and 445, that added together give a palindrome (155551).

The spelling of 155106445 in words is "one hundred fifty-five million, one hundred six thousand, four hundred forty-five".