141901957 has 2 divisors, whose sum is σ = 141901958. Its totient is φ = 141901956.

The previous prime is 141901939. The next prime is 141901961. The reversal of 141901957 is 759109141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116510436 + 25391521 = 10794^2 + 5039^2 .

It is a cyclic number.

It is not a de Polignac number, because 141901957 - 2¹⁹ = 141377669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141901987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70950978 + 70950979.

It is an arithmetic number, because the mean of its divisors is an integer number (70950979).

Almost surely, 2^141901957 is an apocalyptic number.

It is an amenable number.

141901957 is a deficient number, since it is larger than the sum of its proper divisors (1).

141901957 is an equidigital number, since it uses as much as digits as its factorization.

141901957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 37.

The square root of 141901957 is about 11912.2607845866. The cubic root of 141901957 is about 521.5902464494.

The spelling of 141901957 in words is "one hundred forty-one million, nine hundred one thousand, nine hundred fifty-seven".