145329541 has 6 divisors (see below), whose sum is σ = 169056870. Its totient is φ = 124568136.

The previous prime is 145329539. The next prime is 145329553. The reversal of 145329541 is 145923541.

It can be written as a sum of positive squares in only one way, i.e., 145298916 + 30625 = 12054^2 + 175^2 .

It is not a de Polignac number, because 145329541 - 2¹ = 145329539 is a prime.

It is a super-2 number, since 2×145329541² = 42241350974541362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145329497 and 145329506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145329521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1482906 + ... + 1483003.

It is an arithmetic number, because the mean of its divisors is an integer number (28176145).

Almost surely, 2^145329541 is an apocalyptic number.

It is an amenable number.

145329541 is a deficient number, since it is larger than the sum of its proper divisors (23727329).

145329541 is an equidigital number, since it uses as much as digits as its factorization.

145329541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965923 (or 2965916 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 145329541 is about 12055.2702582729. The cubic root of 145329541 is about 525.7564798245.

The spelling of 145329541 in words is "one hundred forty-five million, three hundred twenty-nine thousand, five hundred forty-one".