146164450231523 has 16 divisors (see below), whose sum is σ = 153035674398720. Its totient is φ = 139428803152800.

The previous prime is 146164450231463. The next prime is 146164450231537. The reversal of 146164450231523 is 325132054461641.

It is a cyclic number.

It is not a de Polignac number, because 146164450231523 - 2¹⁰ = 146164450230499 is a prime.

It is a super-2 number, since 2×146164450231523² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146164450231223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4040786 + ... + 17568632.

It is an arithmetic number, because the mean of its divisors is an integer number (9564729649920).

Almost surely, 2^{146164450231523} is an apocalyptic number.

146164450231523 is a deficient number, since it is larger than the sum of its proper divisors (6871224167197).

146164450231523 is a wasteful number, since it uses less digits than its factorization.

146164450231523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13532858.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 146164450231523 in words is "one hundred forty-six trillion, one hundred sixty-four billion, four hundred fifty million, two hundred thirty-one thousand, five hundred twenty-three".