155444245 has 16 divisors (see below), whose sum is σ = 204261120. Its totient is φ = 112622400.

The previous prime is 155444227. The next prime is 155444257. The reversal of 155444245 is 542444551.

It is not a de Polignac number, because 155444245 - 2⁵ = 155444213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155444245.

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, 9691 + ... + 20119.

It is an arithmetic number, because the mean of its divisors is an integer number (12766320).

Almost surely, 2^155444245 is an apocalyptic number.

It is an amenable number.

155444245 is a deficient number, since it is larger than the sum of its proper divisors (48816875).

155444245 is a wasteful number, since it uses less digits than its factorization.

155444245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10716.

The product of its digits is 64000, while the sum is 34.

The square root of 155444245 is about 12467.7281410849. The cubic root of 155444245 is about 537.6812383230.

Adding to 155444245 its reverse (542444551), we get a palindrome (697888796).

The spelling of 155444245 in words is "one hundred fifty-five million, four hundred forty-four thousand, two hundred forty-five".