141554621 has 4 divisors (see below), whose sum is σ = 152443452. Its totient is φ = 130665792.

The previous prime is 141554603. The next prime is 141554639. The reversal of 141554621 is 126455141.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (141554603) and next prime (141554639).

It can be written as a sum of positive squares in 2 ways, for example, as 28238596 + 113316025 = 5314^2 + 10645^2 .

It is a cyclic number.

It is not a de Polignac number, because 141554621 - 2⁶ = 141554557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141554641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5444396 + ... + 5444421.

It is an arithmetic number, because the mean of its divisors is an integer number (38110863).

Almost surely, 2^141554621 is an apocalyptic number.

It is an amenable number.

141554621 is a deficient number, since it is larger than the sum of its proper divisors (10888831).

141554621 is a wasteful number, since it uses less digits than its factorization.

141554621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10888830.

The product of its digits is 4800, while the sum is 29.

The square root of 141554621 is about 11897.6729237276. The cubic root of 141554621 is about 521.1643301094.

The spelling of 141554621 in words is "one hundred forty-one million, five hundred fifty-four thousand, six hundred twenty-one".