135445146 has 8 divisors (see below), whose sum is σ = 270890304. Its totient is φ = 45148380.

The previous prime is 135445097. The next prime is 135445147. The reversal of 135445146 is 641544531.

It is a sphenic number, since it is the product of 3 distinct primes.

135445146 is an admirable number.

It is a super-2 number, since 2×135445146² = 36690775149922632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135445147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11287090 + ... + 11287101.

It is an arithmetic number, because the mean of its divisors is an integer number (33861288).

Almost surely, 2^135445146 is an apocalyptic number.

135445146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

135445146 is a wasteful number, since it uses less digits than its factorization.

135445146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22574196.

The product of its digits is 28800, while the sum is 33.

The square root of 135445146 is about 11638.0903072626. The cubic root of 135445146 is about 513.5560090693.

Adding to 135445146 its reverse (641544531), we get a palindrome (776989677).

The spelling of 135445146 in words is "one hundred thirty-five million, four hundred forty-five thousand, one hundred forty-six".