141858945 has 40 divisors (see below), whose sum is σ = 262521600. Its totient is φ = 73211040.

The previous prime is 141858919. The next prime is 141858949. The reversal of 141858945 is 549858141.

It is a happy number.

141858945 is a `hidden beast` number, since 14 + 18 + 589 + 45 = 666.

It is not a de Polignac number, because 141858945 - 2⁶ = 141858881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 141858945.

It is not an unprimeable number, because it can be changed into a prime (141858949) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6906 + ... + 18204.

It is an arithmetic number, because the mean of its divisors is an integer number (6563040).

Almost surely, 2^141858945 is an apocalyptic number.

141858945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

141858945 is a deficient number, since it is larger than the sum of its proper divisors (120662655).

141858945 is a wasteful number, since it uses less digits than its factorization.

141858945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11347 (or 11338 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 141858945 is about 11910.4552809706. The cubic root of 141858945 is about 521.5375412642.

The spelling of 141858945 in words is "one hundred forty-one million, eight hundred fifty-eight thousand, nine hundred forty-five".