145551155541 has 16 divisors (see below), whose sum is σ = 212785455168. Its totient is φ = 87765036800.

The previous prime is 145551155479. The next prime is 145551155579.

145551155541 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 145551155541 - 2¹⁰ = 145551154517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145551155493 and 145551155502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145551155941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11188020 + ... + 11201021.

It is an arithmetic number, because the mean of its divisors is an integer number (13299090948).

Almost surely, 2^145551155541 is an apocalyptic number.

145551155541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145551155541 is a deficient number, since it is larger than the sum of its proper divisors (67234299627).

145551155541 is a wasteful number, since it uses less digits than its factorization.

145551155541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22389252.

The product of its digits is 250000, while the sum is 42.

The spelling of 145551155541 in words is "one hundred forty-five billion, five hundred fifty-one million, one hundred fifty-five thousand, five hundred forty-one".