145634664 has 96 divisors (see below), whose sum is σ = 435106080. Its totient is φ = 40473216.

The previous prime is 145634663. The next prime is 145634669. The reversal of 145634664 is 466436541.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (145634663) 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 23 ways as a sum of consecutive naturals, for example, 41839 + ... + 45185.

It is an arithmetic number, because the mean of its divisors is an integer number (4532355).

Almost surely, 2^145634664 is an apocalyptic number.

145634664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145634664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217553040).

145634664 is an abundant number, since it is smaller than the sum of its proper divisors (289471416).

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

145634664 is a wasteful number, since it uses less digits than its factorization.

145634664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407 (or 3396 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 145634664 is about 12067.9187932303. The cubic root of 145634664 is about 526.1241689059.

The spelling of 145634664 in words is "one hundred forty-five million, six hundred thirty-four thousand, six hundred sixty-four".