154643948 has 6 divisors (see below), whose sum is σ = 270626916. Its totient is φ = 77321972.

The previous prime is 154643947. The next prime is 154643981. The reversal of 154643948 is 849346451.

It is a junction number, because it is equal to n+sod(n) for n = 154643899 and 154643908.

It is not an unprimeable number, because it can be changed into a prime (154643941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19330490 + ... + 19330497.

It is an arithmetic number, because the mean of its divisors is an integer number (45104486).

Almost surely, 2^154643948 is an apocalyptic number.

It is an amenable number.

154643948 is a deficient number, since it is larger than the sum of its proper divisors (115982968).

154643948 is a wasteful number, since it uses less digits than its factorization.

154643948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38660991 (or 38660989 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 154643948 is about 12435.5919843005. The cubic root of 154643948 is about 536.7569084688.

The spelling of 154643948 in words is "one hundred fifty-four million, six hundred forty-three thousand, nine hundred forty-eight".