145505034216 has 48 divisors (see below), whose sum is σ = 394832620260. Its totient is φ = 48408572160.

The previous prime is 145505034197. The next prime is 145505034221. The reversal of 145505034216 is 612430505541.

145505034216 is a `hidden beast` number, since 1 + 4 + 550 + 50 + 3 + 42 + 16 = 666.

145505034216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 138049402500 + 7455631716 = 371550^2 + 86346^2 .

It is a super-3 number, since 3×145505034216³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1901935 + ... + 1976958.

Almost surely, 2^145505034216 is an apocalyptic number.

It is an amenable number.

145505034216 is an abundant number, since it is smaller than the sum of its proper divisors (249327586044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145505034216 is a wasteful number, since it uses less digits than its factorization.

145505034216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879426 (or 3879419 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 145505034216 its reverse (612430505541), we get a palindrome (757935539757).

The spelling of 145505034216 in words is "one hundred forty-five billion, five hundred five million, thirty-four thousand, two hundred sixteen".