154536645 has 8 divisors (see below), whose sum is σ = 247258656. Its totient is φ = 82419536.

The previous prime is 154536637. The next prime is 154536659. The reversal of 154536645 is 546635451.

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

It is a cyclic number.

It is not a de Polignac number, because 154536645 - 2³ = 154536637 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5151207 + ... + 5151236.

It is an arithmetic number, because the mean of its divisors is an integer number (30907332).

Almost surely, 2^154536645 is an apocalyptic number.

154536645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154536645 is a deficient number, since it is larger than the sum of its proper divisors (92722011).

154536645 is a wasteful number, since it uses less digits than its factorization.

154536645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10302451.

The product of its digits is 216000, while the sum is 39.

The square root of 154536645 is about 12431.2768853405. The cubic root of 154536645 is about 536.6327330027.

The spelling of 154536645 in words is "one hundred fifty-four million, five hundred thirty-six thousand, six hundred forty-five".