145006539 has 8 divisors (see below), whose sum is σ = 193737792. Its totient is φ = 96473160.

The previous prime is 145006531. The next prime is 145006553. The reversal of 145006539 is 935600541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145006539 - 2³ = 145006531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145006531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47749 + ... + 50694.

It is an arithmetic number, because the mean of its divisors is an integer number (24217224).

Almost surely, 2^145006539 is an apocalyptic number.

145006539 is a deficient number, since it is larger than the sum of its proper divisors (48731253).

145006539 is an equidigital number, since it uses as much as digits as its factorization.

145006539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98937.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 145006539 is about 12041.8660929276. The cubic root of 145006539 is about 525.3666844205.

The spelling of 145006539 in words is "one hundred forty-five million, six thousand, five hundred thirty-nine".