133045450 has 24 divisors (see below), whose sum is σ = 248243040. Its totient is φ = 53050800.

The previous prime is 133045439. The next prime is 133045463. The reversal of 133045450 is 54540331.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12531 + ... + 20569.

It is an arithmetic number, because the mean of its divisors is an integer number (10343460).

Almost surely, 2^133045450 is an apocalyptic number.

133045450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133045450 is a deficient number, since it is larger than the sum of its proper divisors (115197590).

133045450 is a wasteful number, since it uses less digits than its factorization.

133045450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8382 (or 8377 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 133045450 is about 11534.5329337603. The cubic root of 133045450 is about 510.5050104662.

Adding to 133045450 its reverse (54540331), we get a palindrome (187585781).

The spelling of 133045450 in words is "one hundred thirty-three million, forty-five thousand, four hundred fifty".