154690814738 has 16 divisors (see below), whose sum is σ = 234659306880. Its totient is φ = 76471164000.

The previous prime is 154690814723. The next prime is 154690814749. The reversal of 154690814738 is 837418096451.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4995443 + ... + 5026313.

It is an arithmetic number, because the mean of its divisors is an integer number (14666206680).

Almost surely, 2^154690814738 is an apocalyptic number.

154690814738 is a deficient number, since it is larger than the sum of its proper divisors (79968492142).

154690814738 is a wasteful number, since it uses less digits than its factorization.

154690814738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59113.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 154690814738 in words is "one hundred fifty-four billion, six hundred ninety million, eight hundred fourteen thousand, seven hundred thirty-eight".