145553554033 has 4 divisors (see below), whose sum is σ = 145554459120. Its totient is φ = 145552648948.

The previous prime is 145553554019. The next prime is 145553554061. The reversal of 145553554033 is 330455355541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 145553554033 - 2²¹ = 145551456881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145553554093) 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, 138823 + ... + 557116.

It is an arithmetic number, because the mean of its divisors is an integer number (36388614780).

Almost surely, 2^145553554033 is an apocalyptic number.

It is an amenable number.

145553554033 is a deficient number, since it is larger than the sum of its proper divisors (905087).

145553554033 is an equidigital number, since it uses as much as digits as its factorization.

145553554033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905086.

The product of its (nonzero) digits is 1350000, while the sum is 43.

The spelling of 145553554033 in words is "one hundred forty-five billion, five hundred fifty-three million, five hundred fifty-four thousand, thirty-three".