155235429 has 12 divisors (see below), whose sum is σ = 225237376. Its totient is φ = 103024872.

The previous prime is 155235413. The next prime is 155235433. The reversal of 155235429 is 924532551.

It is a happy number.

It is not a de Polignac number, because 155235429 - 2⁴ = 155235413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155235393 and 155235402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155235439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36667 + ... + 40680.

Almost surely, 2^155235429 is an apocalyptic number.

It is an amenable number.

155235429 is a deficient number, since it is larger than the sum of its proper divisors (70001947).

155235429 is a wasteful number, since it uses less digits than its factorization.

155235429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77576 (or 77573 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 155235429 is about 12459.3510665684. The cubic root of 155235429 is about 537.4403657654.

The spelling of 155235429 in words is "one hundred fifty-five million, two hundred thirty-five thousand, four hundred twenty-nine".