145711533471 has 32 divisors (see below), whose sum is σ = 227359703040. Its totient is φ = 81276937056.

The previous prime is 145711533433. The next prime is 145711533479. The reversal of 145711533471 is 174335117541.

It is not a de Polignac number, because 145711533471 - 2¹³ = 145711525279 is a prime.

It is a super-3 number, since 3×145711533471³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145711533479) 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, 179310 + ... + 568836.

It is an arithmetic number, because the mean of its divisors is an integer number (7104990720).

Almost surely, 2^145711533471 is an apocalyptic number.

145711533471 is a deficient number, since it is larger than the sum of its proper divisors (81648169569).

145711533471 is a wasteful number, since it uses less digits than its factorization.

145711533471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389963.

The product of its digits is 176400, while the sum is 42.

The spelling of 145711533471 in words is "one hundred forty-five billion, seven hundred eleven million, five hundred thirty-three thousand, four hundred seventy-one".