145552544155 has 32 divisors (see below), whose sum is σ = 183369277440. Its totient is φ = 110700712320.

The previous prime is 145552544131. The next prime is 145552544177. The reversal of 145552544155 is 551445255541.

It is a de Polignac number, because none of the positive numbers 2^k-145552544155 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35559289 + ... + 35563381.

It is an arithmetic number, because the mean of its divisors is an integer number (5730289920).

Almost surely, 2^145552544155 is an apocalyptic number.

145552544155 is a deficient number, since it is larger than the sum of its proper divisors (37816733285).

145552544155 is a wasteful number, since it uses less digits than its factorization.

145552544155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931.

The product of its digits is 2000000, while the sum is 46.

Adding to 145552544155 its reverse (551445255541), we get a palindrome (696997799696).

The spelling of 145552544155 in words is "one hundred forty-five billion, five hundred fifty-two million, five hundred forty-four thousand, one hundred fifty-five".