145620134 has 16 divisors (see below), whose sum is σ = 238545216. Its totient is φ = 66119400.

The previous prime is 145620091. The next prime is 145620143. The reversal of 145620134 is 431026541.

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, 20969 + ... + 27035.

It is an arithmetic number, because the mean of its divisors is an integer number (14909076).

Almost surely, 2^145620134 is an apocalyptic number.

145620134 is a deficient number, since it is larger than the sum of its proper divisors (92925082).

145620134 is a wasteful number, since it uses less digits than its factorization.

145620134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 145620134 is about 12067.3167688596. The cubic root of 145620134 is about 526.1066711522.

Adding to 145620134 its reverse (431026541), we get a palindrome (576646675).

The spelling of 145620134 in words is "one hundred forty-five million, six hundred twenty thousand, one hundred thirty-four".