145204653547 has 2 divisors, whose sum is σ = 145204653548. Its totient is φ = 145204653546.

The previous prime is 145204653541. The next prime is 145204653593. The reversal of 145204653547 is 745356402541.

It is an a-pointer prime, because the next prime (145204653593) can be obtained adding 145204653547 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145204653547 - 2¹¹ = 145204651499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145204653497 and 145204653506.

It is not a weakly prime, because it can be changed into another prime (145204653541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72602326773 + 72602326774.

It is an arithmetic number, because the mean of its divisors is an integer number (72602326774).

Almost surely, 2^145204653547 is an apocalyptic number.

145204653547 is a deficient number, since it is larger than the sum of its proper divisors (1).

145204653547 is an equidigital number, since it uses as much as digits as its factorization.

145204653547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016000, while the sum is 46.

The spelling of 145204653547 in words is "one hundred forty-five billion, two hundred four million, six hundred fifty-three thousand, five hundred forty-seven".