141552021 has 16 divisors (see below), whose sum is σ = 203482944. Its totient is φ = 87010944.

The previous prime is 141552011. The next prime is 141552023. The reversal of 141552021 is 120255141.

It is not a de Polignac number, because 141552021 - 2¹⁸ = 141289877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141552023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49585 + ... + 52361.

It is an arithmetic number, because the mean of its divisors is an integer number (12717684).

Almost surely, 2^141552021 is an apocalyptic number.

It is an amenable number.

141552021 is a deficient number, since it is larger than the sum of its proper divisors (61930923).

141552021 is a wasteful number, since it uses less digits than its factorization.

141552021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 141552021 is about 11897.5636581613. The cubic root of 141552021 is about 521.1611392668.

The spelling of 141552021 in words is "one hundred forty-one million, five hundred fifty-two thousand, twenty-one".