154000814 has 24 divisors (see below), whose sum is σ = 267282120. Its totient is φ = 66314160.

The previous prime is 154000813. The next prime is 154000831. The reversal of 154000814 is 418000451.

154000814 = 305² + 306² + ... + 788².

154000814 is a modest number, since divided by 814 gives 154 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 154000814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154000813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12149 + ... + 21344.

It is an arithmetic number, because the mean of its divisors is an integer number (11136755).

Almost surely, 2^154000814 is an apocalyptic number.

154000814 is a deficient number, since it is larger than the sum of its proper divisors (113281306).

154000814 is a wasteful number, since it uses less digits than its factorization.

154000814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33536 (or 33525 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 154000814 is about 12409.7064429422. The cubic root of 154000814 is about 536.0117854949.

The spelling of 154000814 in words is "one hundred fifty-four million, eight hundred fourteen", and thus it is an aban number.