146261272 has 32 divisors (see below), whose sum is σ = 279417600. Its totient is φ = 71762464.

The previous prime is 146261261. The next prime is 146261279. The reversal of 146261272 is 272162641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146261279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110229 + ... + 111547.

It is an arithmetic number, because the mean of its divisors is an integer number (8731800).

Almost surely, 2^146261272 is an apocalyptic number.

It is an amenable number.

146261272 is a deficient number, since it is larger than the sum of its proper divisors (133156328).

146261272 is a wasteful number, since it uses less digits than its factorization.

146261272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575 (or 1571 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 146261272 is about 12093.8526533111. The cubic root of 146261272 is about 526.8776569218.

The spelling of 146261272 in words is "one hundred forty-six million, two hundred sixty-one thousand, two hundred seventy-two".