154812946 has 16 divisors (see below), whose sum is σ = 240185088. Its totient is φ = 74761200.

The previous prime is 154812913. The next prime is 154813019. The reversal of 154812946 is 649218451.

It is a junction number, because it is equal to n+sod(n) for n = 154812899 and 154812908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33216 + ... + 37588.

It is an arithmetic number, because the mean of its divisors is an integer number (15011568).

Almost surely, 2^154812946 is an apocalyptic number.

154812946 is a deficient number, since it is larger than the sum of its proper divisors (85372142).

154812946 is a wasteful number, since it uses less digits than its factorization.

154812946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977.

The product of its digits is 69120, while the sum is 40.

The square root of 154812946 is about 12442.3850607510. The cubic root of 154812946 is about 536.9523635162.

The spelling of 154812946 in words is "one hundred fifty-four million, eight hundred twelve thousand, nine hundred forty-six".