145012433633 has 4 divisors (see below), whose sum is σ = 145052909568. Its totient is φ = 144971957700.

The previous prime is 145012433617. The next prime is 145012433639. The reversal of 145012433633 is 336334210541.

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.

It is a cyclic number.

It is not a de Polignac number, because 145012433633 - 2⁴ = 145012433617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145012433593 and 145012433602.

It is not an unprimeable number, because it can be changed into a prime (145012433639) 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, 20232593 + ... + 20239758.

It is an arithmetic number, because the mean of its divisors is an integer number (36263227392).

Almost surely, 2^145012433633 is an apocalyptic number.

It is an amenable number.

145012433633 is a deficient number, since it is larger than the sum of its proper divisors (40475935).

145012433633 is an equidigital number, since it uses as much as digits as its factorization.

145012433633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40475934.

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 145012433633 in words is "one hundred forty-five billion, twelve million, four hundred thirty-three thousand, six hundred thirty-three".