154564645 has 16 divisors (see below), whose sum is σ = 189181440. Its totient is φ = 121201344.

The previous prime is 154564637. The next prime is 154564681. The reversal of 154564645 is 546465451.

It is a cyclic number.

It is not a de Polignac number, because 154564645 - 2³ = 154564637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154564598 and 154564607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73671 + ... + 75739.

It is an arithmetic number, because the mean of its divisors is an integer number (11823840).

Almost surely, 2^154564645 is an apocalyptic number.

It is an amenable number.

154564645 is a deficient number, since it is larger than the sum of its proper divisors (34616795).

154564645 is a wasteful number, since it uses less digits than its factorization.

154564645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364.

The product of its digits is 288000, while the sum is 40.

The square root of 154564645 is about 12432.4030259640. The cubic root of 154564645 is about 536.6651413011.

The spelling of 154564645 in words is "one hundred fifty-four million, five hundred sixty-four thousand, six hundred forty-five".