145206780 has 24 divisors (see below), whose sum is σ = 406579152. Its totient is φ = 38721792.

The previous prime is 145206773. The next prime is 145206781. The reversal of 145206780 is 87602541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145206781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209997 + ... + 1210116.

It is an arithmetic number, because the mean of its divisors is an integer number (16940798).

Almost surely, 2^145206780 is an apocalyptic number.

145206780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145206780 is an abundant number, since it is smaller than the sum of its proper divisors (261372372).

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

145206780 is a wasteful number, since it uses less digits than its factorization.

145206780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420125 (or 2420123 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 145206780 is about 12050.1775920523. The cubic root of 145206780 is about 525.6084012520.

The spelling of 145206780 in words is "one hundred forty-five million, two hundred six thousand, seven hundred eighty".