154640014 has 8 divisors (see below), whose sum is σ = 232071480. Its totient is φ = 77282856.

The previous prime is 154640009. The next prime is 154640023. The reversal of 154640014 is 410046451.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13044 + ... + 21895.

It is an arithmetic number, because the mean of its divisors is an integer number (29008935).

Almost surely, 2^154640014 is an apocalyptic number.

154640014 is a deficient number, since it is larger than the sum of its proper divisors (77431466).

154640014 is a wasteful number, since it uses less digits than its factorization.

154640014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37154.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 154640014 is about 12435.4338082754. The cubic root of 154640014 is about 536.7523568960.

Adding to 154640014 its reverse (410046451), we get a palindrome (564686465).

The spelling of 154640014 in words is "one hundred fifty-four million, six hundred forty thousand, fourteen".