145641532437 has 16 divisors (see below), whose sum is σ = 217012438080. Its totient is φ = 96533112816.

The previous prime is 145641532411. The next prime is 145641532441. The reversal of 145641532437 is 734235146541.

145641532437 is a `hidden beast` number, since 1 + 4 + 5 + 64 + 153 + 2 + 437 = 666.

It is not a de Polignac number, because 145641532437 - 2¹⁵ = 145641499669 is a prime.

It is a super-3 number, since 3×145641532437³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 145641532392 and 145641532401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145641532237) 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, 15585303 + ... + 15594644.

It is an arithmetic number, because the mean of its divisors is an integer number (13563277380).

Almost surely, 2^145641532437 is an apocalyptic number.

It is an amenable number.

145641532437 is a deficient number, since it is larger than the sum of its proper divisors (71370905643).

145641532437 is a wasteful number, since it uses less digits than its factorization.

145641532437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31180129 (or 31180123 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

Adding to 145641532437 its reverse (734235146541), we get a palindrome (879876678978).

The spelling of 145641532437 in words is "one hundred forty-five billion, six hundred forty-one million, five hundred thirty-two thousand, four hundred thirty-seven".