141645620 has 24 divisors (see below), whose sum is σ = 305496744. Its totient is φ = 55126656.

The previous prime is 141645619. The next prime is 141645629. The reversal of 141645620 is 26546141.

It can be written as a sum of positive squares in 4 ways, for example, as 22486564 + 119159056 = 4742^2 + 10916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141645629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94967 + ... + 96446.

It is an arithmetic number, because the mean of its divisors is an integer number (12729031).

Almost surely, 2^141645620 is an apocalyptic number.

141645620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141645620 is an abundant number, since it is smaller than the sum of its proper divisors (163851124).

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

141645620 is a wasteful number, since it uses less digits than its factorization.

141645620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191459 (or 191457 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 141645620 is about 11901.4965445527. The cubic root of 141645620 is about 521.2759837680.

The spelling of 141645620 in words is "one hundred forty-one million, six hundred forty-five thousand, six hundred twenty".