145553033999 has 2 divisors, whose sum is σ = 145553034000. Its totient is φ = 145553033998.

The previous prime is 145553033953. The next prime is 145553034001. The reversal of 145553033999 is 999330355541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145553033999 - 2¹² = 145553029903 is a prime.

Together with 145553034001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145553033299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72776516999 + 72776517000.

It is an arithmetic number, because the mean of its divisors is an integer number (72776517000).

Almost surely, 2^145553033999 is an apocalyptic number.

145553033999 is a deficient number, since it is larger than the sum of its proper divisors (1).

145553033999 is an equidigital number, since it uses as much as digits as its factorization.

145553033999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9841500, while the sum is 56.

The spelling of 145553033999 in words is "one hundred forty-five billion, five hundred fifty-three million, thirty-three thousand, nine hundred ninety-nine".