145346421123134 has 128 divisors (see below), whose sum is σ = 276631998418944. Its totient is φ = 55630048320000.

The previous prime is 145346421123107. The next prime is 145346421123247. The reversal of 145346421123134 is 431321124643541.

It is a super-2 number, since 2×145346421123134² (a number of 29 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 12737389889 + ... + 12737401299.

It is an arithmetic number, because the mean of its divisors is an integer number (2161187487648).

Almost surely, 2^{145346421123134} is an apocalyptic number.

145346421123134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145346421123134 is a deficient number, since it is larger than the sum of its proper divisors (131285577295810).

145346421123134 is a wasteful number, since it uses less digits than its factorization.

145346421123134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14782.

The product of its digits is 829440, while the sum is 44.

Adding to 145346421123134 its reverse (431321124643541), we get a palindrome (576667545766675).

The spelling of 145346421123134 in words is "one hundred forty-five trillion, three hundred forty-six billion, four hundred twenty-one million, one hundred twenty-three thousand, one hundred thirty-four".