145164211533 has 32 divisors (see below), whose sum is σ = 235273610880. Its totient is φ = 87729016320.

The previous prime is 145164211523. The next prime is 145164211537. The reversal of 145164211533 is 335112461541.

145164211533 is a `hidden beast` number, since 1 + 4 + 5 + 1 + 642 + 1 + 1 + 5 + 3 + 3 = 666.

It is not a de Polignac number, because 145164211533 - 2⁵ = 145164211501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145164211537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 587466 + ... + 797147.

It is an arithmetic number, because the mean of its divisors is an integer number (7352300340).

Almost surely, 2^145164211533 is an apocalyptic number.

It is an amenable number.

145164211533 is a deficient number, since it is larger than the sum of its proper divisors (90109399347).

145164211533 is a wasteful number, since it uses less digits than its factorization.

145164211533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384986 (or 1384980 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The spelling of 145164211533 in words is "one hundred forty-five billion, one hundred sixty-four million, two hundred eleven thousand, five hundred thirty-three".