155112045 has 16 divisors (see below), whose sum is σ = 270741312. Its totient is φ = 75205760.

The previous prime is 155112043. The next prime is 155112047. The reversal of 155112045 is 540211551.

It is an interprime number because it is at equal distance from previous prime (155112043) and next prime (155112047).

It is not a de Polignac number, because 155112045 - 2¹ = 155112043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155112043) 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, 469872 + ... + 470201.

It is an arithmetic number, because the mean of its divisors is an integer number (16921332).

Almost surely, 2^155112045 is an apocalyptic number.

155112045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155112045 is a deficient number, since it is larger than the sum of its proper divisors (115629267).

155112045 is a wasteful number, since it uses less digits than its factorization.

155112045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940092.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 155112045 is about 12454.3986205678. The cubic root of 155112045 is about 537.2979388319.

Adding to 155112045 its reverse (540211551), we get a palindrome (695323596).

The spelling of 155112045 in words is "one hundred fifty-five million, one hundred twelve thousand, forty-five".