145045055155 has 128 divisors (see below), whose sum is σ = 238921353216. Its totient is φ = 81616896000.

The previous prime is 145045055147. The next prime is 145045055161. The reversal of 145045055155 is 551550540541.

It is not a de Polignac number, because 145045055155 - 2³ = 145045055147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 41955187 + ... + 41958643.

It is an arithmetic number, because the mean of its divisors is an integer number (1866573072).

Almost surely, 2^145045055155 is an apocalyptic number.

145045055155 is a deficient number, since it is larger than the sum of its proper divisors (93876298061).

145045055155 is a wasteful number, since it uses less digits than its factorization.

145045055155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677.

The product of its (nonzero) digits is 250000, while the sum is 40.

Adding to 145045055155 its reverse (551550540541), we get a palindrome (696595595696).

The spelling of 145045055155 in words is "one hundred forty-five billion, forty-five million, fifty-five thousand, one hundred fifty-five".