134445450 has 96 divisors (see below), whose sum is σ = 356405760. Its totient is φ = 33465600.

The previous prime is 134445449. The next prime is 134445461. The reversal of 134445450 is 54544431.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 47 ways as a sum of consecutive naturals, for example, 134352 + ... + 135348.

It is an arithmetic number, because the mean of its divisors is an integer number (3712560).

Almost surely, 2^134445450 is an apocalyptic number.

134445450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134445450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178202880).

134445450 is an abundant number, since it is smaller than the sum of its proper divisors (221960310).

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

134445450 is a wasteful number, since it uses less digits than its factorization.

134445450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 134445450 is about 11595.0614487376. The cubic root of 134445450 is about 512.2893998874.

Adding to 134445450 its reverse (54544431), we get a palindrome (188989881).

The spelling of 134445450 in words is "one hundred thirty-four million, four hundred forty-five thousand, four hundred fifty".