154469364145 has 16 divisors (see below), whose sum is σ = 198210205008. Its totient is φ = 115154790400.

The previous prime is 154469364121. The next prime is 154469364157. The reversal of 154469364145 is 541463964451.

It can be written as a sum of positive squares in 8 ways, for example, as 312617761 + 154156746384 = 17681^2 + 392628^2 .

It is a de Polignac number, because none of the positive numbers 2^k-154469364145 is a prime.

It is a super-2 number, since 2×154469364145² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154469364092 and 154469364101.

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, 8987884 + ... + 9005053.

It is an arithmetic number, because the mean of its divisors is an integer number (12388137813).

Almost surely, 2^154469364145 is an apocalyptic number.

It is an amenable number.

154469364145 is a deficient number, since it is larger than the sum of its proper divisors (43740840863).

154469364145 is a wasteful number, since it uses less digits than its factorization.

154469364145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17993060.

The product of its digits is 6220800, while the sum is 52.

The spelling of 154469364145 in words is "one hundred fifty-four billion, four hundred sixty-nine million, three hundred sixty-four thousand, one hundred forty-five".