145672448 has 36 divisors (see below), whose sum is σ = 292643568. Its totient is φ = 72368640.

The previous prime is 145672447. The next prime is 145672459. The reversal of 145672448 is 844276541.

It is not an unprimeable number, because it can be changed into a prime (145672447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39983 + ... + 43473.

It is an arithmetic number, because the mean of its divisors is an integer number (8128988).

Almost surely, 2^145672448 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 145672448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146321784).

145672448 is an abundant number, since it is smaller than the sum of its proper divisors (146971120).

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

145672448 is an equidigital number, since it uses as much as digits as its factorization.

145672448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670 (or 3656 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 145672448 is about 12069.4841646195. The cubic root of 145672448 is about 526.1696648433.

The spelling of 145672448 in words is "one hundred forty-five million, six hundred seventy-two thousand, four hundred forty-eight".