149982774187 has 2 divisors, whose sum is σ = 149982774188. Its totient is φ = 149982774186.

The previous prime is 149982774173. The next prime is 149982774203. The reversal of 149982774187 is 781477289941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149982774187 - 2⁷ = 149982774059 is a prime.

It is a super-3 number, since 3×149982774187³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (149982774107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74991387093 + 74991387094.

It is an arithmetic number, because the mean of its divisors is an integer number (74991387094).

Almost surely, 2^149982774187 is an apocalyptic number.

149982774187 is a deficient number, since it is larger than the sum of its proper divisors (1).

149982774187 is an equidigital number, since it uses as much as digits as its factorization.

149982774187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56899584, while the sum is 67.

The spelling of 149982774187 in words is "one hundred forty-nine billion, nine hundred eighty-two million, seven hundred seventy-four thousand, one hundred eighty-seven".