145213131421134 has 96 divisors (see below), whose sum is σ = 379004392565760. Its totient is φ = 39253471560000.

The previous prime is 145213131421079. The next prime is 145213131421177. The reversal of 145213131421134 is 431124131312541.

145213131421134 is a `hidden beast` number, since 1 + 4 + 5 + 213 + 1 + 3 + 1 + 421 + 13 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38586337 + ... + 42182124.

It is an arithmetic number, because the mean of its divisors is an integer number (3947962422560).

Almost surely, 2^{145213131421134} is an apocalyptic number.

145213131421134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145213131421134 is an abundant number, since it is smaller than the sum of its proper divisors (233791261144626).

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

145213131421134 is a wasteful number, since it uses less digits than its factorization.

145213131421134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80769246 (or 80769243 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

Adding to 145213131421134 its reverse (431124131312541), we get a palindrome (576337262733675).

The spelling of 145213131421134 in words is "one hundred forty-five trillion, two hundred thirteen billion, one hundred thirty-one million, four hundred twenty-one thousand, one hundred thirty-four".