149530541 has 2 divisors, whose sum is σ = 149530542. Its totient is φ = 149530540.

The previous prime is 149530529. The next prime is 149530571. The reversal of 149530541 is 145035941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148962025 + 568516 = 12205^2 + 754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149530541 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 149530498 and 149530507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149530571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74765270 + 74765271.

It is an arithmetic number, because the mean of its divisors is an integer number (74765271).

Almost surely, 2^149530541 is an apocalyptic number.

It is an amenable number.

149530541 is a deficient number, since it is larger than the sum of its proper divisors (1).

149530541 is an equidigital number, since it uses as much as digits as its factorization.

149530541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 149530541 is about 12228.2681112249. The cubic root of 149530541 is about 530.7744001656.

The spelling of 149530541 in words is "one hundred forty-nine million, five hundred thirty thousand, five hundred forty-one".