145303055003555 has 4 divisors (see below), whose sum is σ = 174363666004272. Its totient is φ = 116242444002840.

The previous prime is 145303055003551. The next prime is 145303055003563. The reversal of 145303055003555 is 555300550303541.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 145303055003555 - 2² = 145303055003551 is a prime.

It is a super-2 number, since 2×145303055003555² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145303055003551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14530305500351 + ... + 14530305500360.

It is an arithmetic number, because the mean of its divisors is an integer number (43590916501068).

Almost surely, 2^{145303055003555} is an apocalyptic number.

145303055003555 is a deficient number, since it is larger than the sum of its proper divisors (29060611000717).

145303055003555 is an equidigital number, since it uses as much as digits as its factorization.

145303055003555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29060611000716.

The product of its (nonzero) digits is 1687500, while the sum is 44.

The spelling of 145303055003555 in words is "one hundred forty-five trillion, three hundred three billion, fifty-five million, three thousand, five hundred fifty-five".