135451530223045 has 4 divisors (see below), whose sum is σ = 162541836267660. Its totient is φ = 108361224178432.

The previous prime is 135451530223043. The next prime is 135451530223111. The reversal of 135451530223045 is 540322035154531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29266563580164 + 106184966642881 = 5409858^2 + 10304609^2 .

It is a cyclic number.

It is not a de Polignac number, because 135451530223045 - 2¹ = 135451530223043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135451530222992 and 135451530223010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135451530223043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13545153022300 + ... + 13545153022309.

It is an arithmetic number, because the mean of its divisors is an integer number (40635459066915).

Almost surely, 2^{135451530223045} is an apocalyptic number.

It is an amenable number.

135451530223045 is a deficient number, since it is larger than the sum of its proper divisors (27090306044615).

135451530223045 is an equidigital number, since it uses as much as digits as its factorization.

135451530223045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27090306044614.

The product of its (nonzero) digits is 1080000, while the sum is 43.

Adding to 135451530223045 its reverse (540322035154531), we get a palindrome (675773565377576).

The spelling of 135451530223045 in words is "one hundred thirty-five trillion, four hundred fifty-one billion, five hundred thirty million, two hundred twenty-three thousand, forty-five".