145460280 has 128 divisors (see below), whose sum is σ = 520473600. Its totient is φ = 31798272.

The previous prime is 145460243. The next prime is 145460291. The reversal of 145460280 is 82064541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15556 + ... + 23084.

It is an arithmetic number, because the mean of its divisors is an integer number (4066200).

Almost surely, 2^145460280 is an apocalyptic number.

145460280 is a gapful number since it is divisible by the number (10) 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 145460280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260236800).

145460280 is an abundant number, since it is smaller than the sum of its proper divisors (375013320).

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

145460280 is a wasteful number, since it uses less digits than its factorization.

145460280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7573 (or 7569 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 145460280 is about 12060.6915224625. The cubic root of 145460280 is about 525.9140900719.

The spelling of 145460280 in words is "one hundred forty-five million, four hundred sixty thousand, two hundred eighty".