149977027 has 2 divisors, whose sum is σ = 149977028. Its totient is φ = 149977026.

The previous prime is 149977001. The next prime is 149977073. The reversal of 149977027 is 720779941.

It is an a-pointer prime, because the next prime (149977073) can be obtained adding 149977027 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149977027 - 2¹⁵ = 149944259 is a prime.

It is not a weakly prime, because it can be changed into another prime (149977097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74988513 + 74988514.

It is an arithmetic number, because the mean of its divisors is an integer number (74988514).

Almost surely, 2^149977027 is an apocalyptic number.

149977027 is a deficient number, since it is larger than the sum of its proper divisors (1).

149977027 is an equidigital number, since it uses as much as digits as its factorization.

149977027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 46.

The square root of 149977027 is about 12246.5108092060. The cubic root of 149977027 is about 531.3021582561.

The spelling of 149977027 in words is "one hundred forty-nine million, nine hundred seventy-seven thousand, twenty-seven".