154403320045 has 16 divisors (see below), whose sum is σ = 199545580080. Its totient is φ = 114015780864.

The previous prime is 154403320033. The next prime is 154403320103. The reversal of 154403320045 is 540023304451.

It can be written as a sum of positive squares in 8 ways, for example, as 1695874761 + 152707445284 = 41181^2 + 390778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154403320045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154403319989 and 154403320016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2009067 + ... + 2084503.

It is an arithmetic number, because the mean of its divisors is an integer number (12471598755).

Almost surely, 2^154403320045 is an apocalyptic number.

It is an amenable number.

154403320045 is a deficient number, since it is larger than the sum of its proper divisors (45142260035).

154403320045 is a wasteful number, since it uses less digits than its factorization.

154403320045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106944.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 154403320045 its reverse (540023304451), we get a palindrome (694426624496).

The spelling of 154403320045 in words is "one hundred fifty-four billion, four hundred three million, three hundred twenty thousand, forty-five".