145940680 has 32 divisors (see below), whose sum is σ = 329313600. Its totient is φ = 58207936.

The previous prime is 145940677. The next prime is 145940749. The reversal of 145940680 is 86049541.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9279 + ... + 19441.

It is an arithmetic number, because the mean of its divisors is an integer number (10291050).

Almost surely, 2^145940680 is an apocalyptic number.

145940680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145940680 is an abundant number, since it is smaller than the sum of its proper divisors (183372920).

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

145940680 is a wasteful number, since it uses less digits than its factorization.

145940680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533 (or 10529 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 145940680 is about 12080.5910451434. The cubic root of 145940680 is about 526.4924186332.

It can be divided in two parts, 1459406 and 80, that added together give a triangular number (1459486 = T₁₇₀₈).

The spelling of 145940680 in words is "one hundred forty-five million, nine hundred forty thousand, six hundred eighty".