145086864 has 160 divisors (see below), whose sum is σ = 425222784. Its totient is φ = 42332160.

The previous prime is 145086863. The next prime is 145086871. The reversal of 145086864 is 468680541.

It is not an unprimeable number, because it can be changed into a prime (145086863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1355899 + ... + 1356005.

Almost surely, 2^145086864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145086864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212611392).

145086864 is an abundant number, since it is smaller than the sum of its proper divisors (280135920).

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

145086864 is a wasteful number, since it uses less digits than its factorization.

145086864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 145086864 is about 12045.2008700561. The cubic root of 145086864 is about 525.4636738149.

The spelling of 145086864 in words is "one hundred forty-five million, eighty-six thousand, eight hundred sixty-four".