141554545477 has 2 divisors, whose sum is σ = 141554545478. Its totient is φ = 141554545476.

The previous prime is 141554545463. The next prime is 141554545523. The reversal of 141554545477 is 774545455141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101446072036 + 40108473441 = 318506^2 + 200271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141554545477 is a prime.

It is a super-2 number, since 2×141554545477² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141554545417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70777272738 + 70777272739.

It is an arithmetic number, because the mean of its divisors is an integer number (70777272739).

Almost surely, 2^141554545477 is an apocalyptic number.

It is an amenable number.

141554545477 is a deficient number, since it is larger than the sum of its proper divisors (1).

141554545477 is an equidigital number, since it uses as much as digits as its factorization.

141554545477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840000, while the sum is 52.

The spelling of 141554545477 in words is "one hundred forty-one billion, five hundred fifty-four million, five hundred forty-five thousand, four hundred seventy-seven".