149729051 has 2 divisors, whose sum is σ = 149729052. Its totient is φ = 149729050.

The previous prime is 149729023. The next prime is 149729137. The reversal of 149729051 is 150927941.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149729051 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 149728996 and 149729014.

It is not a weakly prime, because it can be changed into another prime (149729651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74864525 + 74864526.

It is an arithmetic number, because the mean of its divisors is an integer number (74864526).

Almost surely, 2^149729051 is an apocalyptic number.

149729051 is a deficient number, since it is larger than the sum of its proper divisors (1).

149729051 is an equidigital number, since it uses as much as digits as its factorization.

149729051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 149729051 is about 12236.3822676476. The cubic root of 149729051 is about 531.0091736871.

The spelling of 149729051 in words is "one hundred forty-nine million, seven hundred twenty-nine thousand, fifty-one".