154742746 has 8 divisors (see below), whose sum is σ = 233538624. Its totient is φ = 76896540.

The previous prime is 154742743. The next prime is 154742747. The reversal of 154742746 is 647247451.

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

It is a junction number, because it is equal to n+sod(n) for n = 154742699 and 154742708.

It is not an unprimeable number, because it can be changed into a prime (154742741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237010 + ... + 237661.

It is an arithmetic number, because the mean of its divisors is an integer number (29192328).

Almost surely, 2^154742746 is an apocalyptic number.

154742746 is a deficient number, since it is larger than the sum of its proper divisors (78795878).

154742746 is a wasteful number, since it uses less digits than its factorization.

154742746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474836.

The product of its digits is 188160, while the sum is 40.

The square root of 154742746 is about 12439.5637383310. The cubic root of 154742746 is about 536.8711908154.

The spelling of 154742746 in words is "one hundred fifty-four million, seven hundred forty-two thousand, seven hundred forty-six".