145450780 has 24 divisors (see below), whose sum is σ = 312898320. Its totient is φ = 56760960.

The previous prime is 145450733. The next prime is 145450817. The reversal of 145450780 is 87054541.

145450780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87870 + ... + 89509.

It is an arithmetic number, because the mean of its divisors is an integer number (13037430).

Almost surely, 2^145450780 is an apocalyptic number.

145450780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145450780 is an abundant number, since it is smaller than the sum of its proper divisors (167447540).

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

145450780 is a wasteful number, since it uses less digits than its factorization.

145450780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177429 (or 177427 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 145450780 is about 12060.2976746016. The cubic root of 145450780 is about 525.9026406860.

The spelling of 145450780 in words is "one hundred forty-five million, four hundred fifty thousand, seven hundred eighty".