141551747545 has 24 divisors (see below), whose sum is σ = 194753151576. Its totient is φ = 98381657088.

The previous prime is 141551747543. The next prime is 141551747549. The reversal of 141551747545 is 545747155141.

It can be written as a sum of positive squares in 12 ways, for example, as 15767322624 + 125784424921 = 125568^2 + 354661^2 .

It is not a de Polignac number, because 141551747545 - 2¹ = 141551747543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141551747543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4912602 + ... + 4941331.

It is an arithmetic number, because the mean of its divisors is an integer number (8114714649).

Almost surely, 2^141551747545 is an apocalyptic number.

It is an amenable number.

141551747545 is a deficient number, since it is larger than the sum of its proper divisors (53201404031).

141551747545 is a wasteful number, since it uses less digits than its factorization.

141551747545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9853981 (or 9853968 counting only the distinct ones).

The product of its digits is 1960000, while the sum is 49.

The spelling of 141551747545 in words is "one hundred forty-one billion, five hundred fifty-one million, seven hundred forty-seven thousand, five hundred forty-five".