145720486 has 16 divisors (see below), whose sum is σ = 221738400. Its totient is φ = 71814528.

The previous prime is 145720459. The next prime is 145720489. The reversal of 145720486 is 684027541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145720489) 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 7 ways as a sum of consecutive naturals, for example, 45630 + ... + 48718.

It is an arithmetic number, because the mean of its divisors is an integer number (13858650).

Almost surely, 2^145720486 is an apocalyptic number.

145720486 is a deficient number, since it is larger than the sum of its proper divisors (76017914).

145720486 is a wasteful number, since it uses less digits than its factorization.

145720486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 145720486 is about 12071.4740607765. The cubic root of 145720486 is about 526.2274963248.

The spelling of 145720486 in words is "one hundred forty-five million, seven hundred twenty thousand, four hundred eighty-six".