154961672 has 16 divisors (see below), whose sum is σ = 303186240. Its totient is φ = 74112016.

The previous prime is 154961657. The next prime is 154961693. The reversal of 154961672 is 276169451.

It is a super-3 number, since 3×154961672³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420908 + ... + 421275.

It is an arithmetic number, because the mean of its divisors is an integer number (18949140).

Almost surely, 2^154961672 is an apocalyptic number.

It is an amenable number.

154961672 is a deficient number, since it is larger than the sum of its proper divisors (148224568).

154961672 is a wasteful number, since it uses less digits than its factorization.

154961672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842212 (or 842208 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 154961672 is about 12448.3602132972. The cubic root of 154961672 is about 537.1242552947.

The spelling of 154961672 in words is "one hundred fifty-four million, nine hundred sixty-one thousand, six hundred seventy-two".