154642065 has 16 divisors (see below), whose sum is σ = 255960000. Its totient is φ = 79631552.

The previous prime is 154642063. The next prime is 154642069. The reversal of 154642065 is 560246451.

154642065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 154642065 - 2¹ = 154642063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154642063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177315 + ... + 178184.

It is an arithmetic number, because the mean of its divisors is an integer number (15997500).

Almost surely, 2^154642065 is an apocalyptic number.

154642065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154642065 is a deficient number, since it is larger than the sum of its proper divisors (101317935).

154642065 is a wasteful number, since it uses less digits than its factorization.

154642065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355536.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 154642065 is about 12435.5162739631. The cubic root of 154642065 is about 536.7547298787.

The spelling of 154642065 in words is "one hundred fifty-four million, six hundred forty-two thousand, sixty-five".