154505532145 has 8 divisors (see below), whose sum is σ = 185415454440. Its totient is φ = 123598548480.

The previous prime is 154505532127. The next prime is 154505532187. The reversal of 154505532145 is 541235505451.

It can be written as a sum of positive squares in 4 ways, for example, as 19400032656 + 135105499489 = 139284^2 + 367567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 154505532145 - 2¹¹ = 154505530097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154505532098 and 154505532107.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 617280 + ... + 830689.

It is an arithmetic number, because the mean of its divisors is an integer number (23176931805).

Almost surely, 2^154505532145 is an apocalyptic number.

It is an amenable number.

154505532145 is a deficient number, since it is larger than the sum of its proper divisors (30909922295).

154505532145 is a wasteful number, since it uses less digits than its factorization.

154505532145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469315.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 154505532145 in words is "one hundred fifty-four billion, five hundred five million, five hundred thirty-two thousand, one hundred forty-five".