149047691655 has 8 divisors (see below), whose sum is σ = 238476306672. Its totient is φ = 79492102208.

The previous prime is 149047691647. The next prime is 149047691659. The reversal of 149047691655 is 556196740941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149047691655 - 2³ = 149047691647 is a prime.

It is a super-3 number, since 3×149047691655³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149047691595 and 149047691604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149047691659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4968256374 + ... + 4968256403.

It is an arithmetic number, because the mean of its divisors is an integer number (29809538334).

Almost surely, 2^149047691655 is an apocalyptic number.

149047691655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149047691655 is a deficient number, since it is larger than the sum of its proper divisors (89428615017).

149047691655 is an equidigital number, since it uses as much as digits as its factorization.

149047691655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936512785.

The product of its (nonzero) digits is 8164800, while the sum is 57.

The spelling of 149047691655 in words is "one hundred forty-nine billion, forty-seven million, six hundred ninety-one thousand, six hundred fifty-five".