29155458146 has 4 divisors (see below), whose sum is σ = 43733187222. Its totient is φ = 14577729072.

The previous prime is 29155458127. The next prime is 29155458169. The reversal of 29155458146 is 64185455192.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29056952521 + 98505625 = 170461^2 + 9925^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29155458094 and 29155458103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7288864535 + ... + 7288864538.

Almost surely, 2^29155458146 is an apocalyptic number.

29155458146 is a deficient number, since it is larger than the sum of its proper divisors (14577729076).

29155458146 is a wasteful number, since it uses less digits than its factorization.

29155458146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14577729075.

The product of its digits is 1728000, while the sum is 50.

The spelling of 29155458146 in words is "twenty-nine billion, one hundred fifty-five million, four hundred fifty-eight thousand, one hundred forty-six".