145486839 has 8 divisors (see below), whose sum is σ = 195267712. Its totient is φ = 96348600.

The previous prime is 145486837. The next prime is 145486841. The reversal of 145486839 is 938684541.

It is an interprime number because it is at equal distance from previous prime (145486837) and next prime (145486841).

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

It is not a de Polignac number, because 145486839 - 2¹ = 145486837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145486837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160129 + ... + 161034.

It is an arithmetic number, because the mean of its divisors is an integer number (24408464).

Almost surely, 2^145486839 is an apocalyptic number.

145486839 is a deficient number, since it is larger than the sum of its proper divisors (49780873).

145486839 is a wasteful number, since it uses less digits than its factorization.

145486839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321317.

The product of its digits is 829440, while the sum is 48.

The square root of 145486839 is about 12061.7925284760. The cubic root of 145486839 is about 525.9460962945.

The spelling of 145486839 in words is "one hundred forty-five million, four hundred eighty-six thousand, eight hundred thirty-nine".