145791039 has 16 divisors (see below), whose sum is σ = 203374080. Its totient is φ = 92802240.

The previous prime is 145791017. The next prime is 145791053. The reversal of 145791039 is 930197541.

It is a happy number.

It is not a de Polignac number, because 145791039 - 2⁵ = 145791007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145790988 and 145791006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145791539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6829 + ... + 18390.

It is an arithmetic number, because the mean of its divisors is an integer number (12710880).

Almost surely, 2^145791039 is an apocalyptic number.

145791039 is a deficient number, since it is larger than the sum of its proper divisors (57583041).

145791039 is a wasteful number, since it uses less digits than its factorization.

145791039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25310.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 145791039 is about 12074.3960097390. The cubic root of 145791039 is about 526.3124098908.

The spelling of 145791039 in words is "one hundred forty-five million, seven hundred ninety-one thousand, thirty-nine".