145464272 has 20 divisors (see below), whose sum is σ = 282050400. Its totient is φ = 72677088.

The previous prime is 145464251. The next prime is 145464301. The reversal of 145464272 is 272464541.

It is a happy number.

145464272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 25979 + ... + 31077.

It is an arithmetic number, because the mean of its divisors is an integer number (14102520).

Almost surely, 2^145464272 is an apocalyptic number.

It is an amenable number.

145464272 is a deficient number, since it is larger than the sum of its proper divisors (136586128).

145464272 is a wasteful number, since it uses less digits than its factorization.

145464272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6890 (or 6884 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 145464272 is about 12060.8570176418. The cubic root of 145464272 is about 525.9189010756.

The spelling of 145464272 in words is "one hundred forty-five million, four hundred sixty-four thousand, two hundred seventy-two".