145312134 has 32 divisors (see below), whose sum is σ = 320198400. Its totient is φ = 43596000.

The previous prime is 145312067. The next prime is 145312157. The reversal of 145312134 is 431213541.

It is a happy number.

145312134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145312134² = 42231232575267912, which contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4234 + ... + 17565.

It is an arithmetic number, because the mean of its divisors is an integer number (10006200).

Almost surely, 2^145312134 is an apocalyptic number.

145312134 is an abundant number, since it is smaller than the sum of its proper divisors (174886266).

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

145312134 is a wasteful number, since it uses less digits than its factorization.

145312134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21916.

The product of its digits is 1440, while the sum is 24.

The square root of 145312134 is about 12054.5482702588. The cubic root of 145312134 is about 525.7354879729.

Adding to 145312134 its reverse (431213541), we get a palindrome (576525675).

The spelling of 145312134 in words is "one hundred forty-five million, three hundred twelve thousand, one hundred thirty-four".