149032141 has 2 divisors, whose sum is σ = 149032142. Its totient is φ = 149032140.

The previous prime is 149032127. The next prime is 149032193. The reversal of 149032141 is 141230941.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142706916 + 6325225 = 11946^2 + 2515^2 .

It is a cyclic number.

It is not a de Polignac number, because 149032141 - 2¹¹ = 149030093 is a prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149002141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74516070 + 74516071.

It is an arithmetic number, because the mean of its divisors is an integer number (74516071).

Almost surely, 2^149032141 is an apocalyptic number.

It is an amenable number.

149032141 is a deficient number, since it is larger than the sum of its proper divisors (1).

149032141 is an equidigital number, since it uses as much as digits as its factorization.

149032141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 149032141 is about 12207.8720914007. The cubic root of 149032141 is about 530.1840360053.

The spelling of 149032141 in words is "one hundred forty-nine million, thirty-two thousand, one hundred forty-one".