148690429 has 4 divisors (see below), whose sum is σ = 148823260. Its totient is φ = 148557600.

The previous prime is 148690411. The next prime is 148690441. The reversal of 148690429 is 924096841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924096841 = 4787 ⋅193043.

It can be written as a sum of positive squares in 2 ways, for example, as 34692100 + 113998329 = 5890^2 + 10677^2 .

It is a cyclic number.

It is not a de Polignac number, because 148690429 - 2⁷ = 148690301 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 (148690459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64722 + ... + 66979.

It is an arithmetic number, because the mean of its divisors is an integer number (37205815).

Almost surely, 2^148690429 is an apocalyptic number.

It is an amenable number.

148690429 is a deficient number, since it is larger than the sum of its proper divisors (132831).

148690429 is a wasteful number, since it uses less digits than its factorization.

148690429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132830.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 148690429 is about 12193.8685001930. The cubic root of 148690429 is about 529.7785107505.

The spelling of 148690429 in words is "one hundred forty-eight million, six hundred ninety thousand, four hundred twenty-nine".