133545464 has 32 divisors (see below), whose sum is σ = 278964000. Its totient is φ = 59509632.

The previous prime is 133545437. The next prime is 133545473. The reversal of 133545464 is 464545331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19124 + ... + 25155.

It is an arithmetic number, because the mean of its divisors is an integer number (8717625).

Almost surely, 2^133545464 is an apocalyptic number.

It is an amenable number.

133545464 is an abundant number, since it is smaller than the sum of its proper divisors (145418536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133545464 is a wasteful number, since it uses less digits than its factorization.

133545464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44327 (or 44323 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 133545464 is about 11556.1872605111. The cubic root of 133545464 is about 511.1437409260.

The spelling of 133545464 in words is "one hundred thirty-three million, five hundred forty-five thousand, four hundred sixty-four".