29148157 has 4 divisors (see below), whose sum is σ = 29172060. Its totient is φ = 29124256.

The previous prime is 29148143. The next prime is 29148187. The reversal of 29148157 is 75184192.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18481401 + 10666756 = 4299^2 + 3266^2 .

It is a cyclic number.

It is not a de Polignac number, because 29148157 - 2¹⁵ = 29115389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29148187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10018 + ... + 12595.

It is an arithmetic number, because the mean of its divisors is an integer number (7293015).

Almost surely, 2^29148157 is an apocalyptic number.

It is an amenable number.

29148157 is a deficient number, since it is larger than the sum of its proper divisors (23903).

29148157 is a wasteful number, since it uses less digits than its factorization.

29148157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23902.

The product of its digits is 20160, while the sum is 37.

The square root of 29148157 is about 5398.9033145631. The cubic root of 29148157 is about 307.7539955307.

The spelling of 29148157 in words is "twenty-nine million, one hundred forty-eight thousand, one hundred fifty-seven".