154485320725 has 48 divisors (see below), whose sum is σ = 207451008000. Its totient is φ = 113769976320.

The previous prime is 154485320723. The next prime is 154485320761. The reversal of 154485320725 is 527023584451.

It is not a de Polignac number, because 154485320725 - 2¹ = 154485320723 is a prime.

It is a super-2 number, since 2×154485320725² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154485320723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5204476 + ... + 5234074.

It is an arithmetic number, because the mean of its divisors is an integer number (4321896000).

Almost surely, 2^154485320725 is an apocalyptic number.

It is an amenable number.

154485320725 is a deficient number, since it is larger than the sum of its proper divisors (52965687275).

154485320725 is a wasteful number, since it uses less digits than its factorization.

154485320725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29974 (or 29969 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 46.

The spelling of 154485320725 in words is "one hundred fifty-four billion, four hundred eighty-five million, three hundred twenty thousand, seven hundred twenty-five".