145204653541 has 2 divisors, whose sum is σ = 145204653542. Its totient is φ = 145204653540.

The previous prime is 145204653523. The next prime is 145204653547. The reversal of 145204653541 is 145356402541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111770531041 + 33434122500 = 334321^2 + 182850^2 .

It is a cyclic number.

It is not a de Polignac number, because 145204653541 - 2⁷ = 145204653413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145204653494 and 145204653503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145204653547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72602326770 + 72602326771.

It is an arithmetic number, because the mean of its divisors is an integer number (72602326771).

Almost surely, 2^145204653541 is an apocalyptic number.

It is an amenable number.

145204653541 is a deficient number, since it is larger than the sum of its proper divisors (1).

145204653541 is an equidigital number, since it uses as much as digits as its factorization.

145204653541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 145204653541 in words is "one hundred forty-five billion, two hundred four million, six hundred fifty-three thousand, five hundred forty-one".