154252732541 has 2 divisors, whose sum is σ = 154252732542. Its totient is φ = 154252732540.

The previous prime is 154252732537. The next prime is 154252732553. The reversal of 154252732541 is 145237252451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135145199641 + 19107532900 = 367621^2 + 138230^2 .

It is a cyclic number.

It is not a de Polignac number, because 154252732541 - 2² = 154252732537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154252732591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77126366270 + 77126366271.

It is an arithmetic number, because the mean of its divisors is an integer number (77126366271).

Almost surely, 2^154252732541 is an apocalyptic number.

It is an amenable number.

154252732541 is a deficient number, since it is larger than the sum of its proper divisors (1).

154252732541 is an equidigital number, since it uses as much as digits as its factorization.

154252732541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336000, while the sum is 41.

Adding to 154252732541 its reverse (145237252451), we get a palindrome (299489984992).

The spelling of 154252732541 in words is "one hundred fifty-four billion, two hundred fifty-two million, seven hundred thirty-two thousand, five hundred forty-one".