145134431541 has 48 divisors (see below), whose sum is σ = 231566969088. Its totient is φ = 86860339200.

The previous prime is 145134431531. The next prime is 145134431543.

145134431541 is a `hidden beast` number, since 1 + 4 + 51 + 34 + 4 + 31 + 541 = 666.

145134431541 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 145134431541 - 2⁵ = 145134431509 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145134431496 and 145134431505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145134431543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4372036 + ... + 4405106.

It is an arithmetic number, because the mean of its divisors is an integer number (4824311856).

Almost surely, 2^145134431541 is an apocalyptic number.

145134431541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145134431541 is a deficient number, since it is larger than the sum of its proper divisors (86432537547).

145134431541 is a wasteful number, since it uses less digits than its factorization.

145134431541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33642 (or 33639 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

It can be divided in two parts, 145134 and 431541, that added together give a palindrome (576675).

The spelling of 145134431541 in words is "one hundred forty-five billion, one hundred thirty-four million, four hundred thirty-one thousand, five hundred forty-one".