154001563 has 8 divisors (see below), whose sum is σ = 158432832. Its totient is φ = 149618496.

The previous prime is 154001543. The next prime is 154001587. The reversal of 154001563 is 365100451.

154001563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154001563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154001503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5520 + ... + 18397.

It is an arithmetic number, because the mean of its divisors is an integer number (19804104).

Almost surely, 2^154001563 is an apocalyptic number.

154001563 is a deficient number, since it is larger than the sum of its proper divisors (4431269).

154001563 is a wasteful number, since it uses less digits than its factorization.

154001563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24101.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 154001563 is about 12409.7366208957. The cubic root of 154001563 is about 536.0126544777.

The spelling of 154001563 in words is "one hundred fifty-four million, one thousand, five hundred sixty-three".