145487682 has 18 divisors (see below), whose sum is σ = 315334227. Its totient is φ = 48478836.

The previous prime is 145487659. The next prime is 145487689. The reversal of 145487682 is 286784541.

It can be written as a sum of positive squares in only one way, i.e., 72743841 + 72743841 = 8529^2 + 8529^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8529.

It is a super-2 number, since 2×145487682² = 42333331227466248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145487689) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 49753 + ... + 52595.

Almost surely, 2^145487682 is an apocalyptic number.

145487682 is an abundant number, since it is smaller than the sum of its proper divisors (169846545).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145487682 is an frugal number, since it uses more digits than its factorization.

145487682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694 (or 2848 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 145487682 is about 12061.8274734801. The cubic root of 145487682 is about 525.9471121291.

The spelling of 145487682 in words is "one hundred forty-five million, four hundred eighty-seven thousand, six hundred eighty-two".