154906972 has 12 divisors (see below), whose sum is σ = 295731576. Its totient is φ = 70412240.

The previous prime is 154906957. The next prime is 154906991. The reversal of 154906972 is 279609451.

It is a happy number.

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, 1760263 + ... + 1760350.

It is an arithmetic number, because the mean of its divisors is an integer number (24644298).

Almost surely, 2^154906972 is an apocalyptic number.

It is an amenable number.

154906972 is a deficient number, since it is larger than the sum of its proper divisors (140824604).

154906972 is a wasteful number, since it uses less digits than its factorization.

154906972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520628 (or 3520626 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 154906972 is about 12446.1629428511. The cubic root of 154906972 is about 537.0610479349.

The spelling of 154906972 in words is "one hundred fifty-four million, nine hundred six thousand, nine hundred seventy-two".