154657714 has 4 divisors (see below), whose sum is σ = 231986574. Its totient is φ = 77328856.

The previous prime is 154657709. The next prime is 154657733. The reversal of 154657714 is 417756451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 417756451 = 7 ⋅59679493.

It can be written as a sum of positive squares in only one way, i.e., 150921225 + 3736489 = 12285^2 + 1933^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38664427 + ... + 38664430.

Almost surely, 2^154657714 is an apocalyptic number.

154657714 is a deficient number, since it is larger than the sum of its proper divisors (77328860).

154657714 is an equidigital number, since it uses as much as digits as its factorization.

154657714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77328859.

The product of its digits is 117600, while the sum is 40.

The square root of 154657714 is about 12436.1454639289. The cubic root of 154657714 is about 536.7728348952.

The spelling of 154657714 in words is "one hundred fifty-four million, six hundred fifty-seven thousand, seven hundred fourteen".