155352422 has 4 divisors (see below), whose sum is σ = 233028636. Its totient is φ = 77676210.

The previous prime is 155352413. The next prime is 155352467. The reversal of 155352422 is 224253551.

155352422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38838104 + ... + 38838107.

It is an arithmetic number, because the mean of its divisors is an integer number (58257159).

Almost surely, 2^155352422 is an apocalyptic number.

155352422 is a deficient number, since it is larger than the sum of its proper divisors (77676214).

155352422 is an equidigital number, since it uses as much as digits as its factorization.

155352422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77676213.

The product of its digits is 12000, while the sum is 29.

The square root of 155352422 is about 12464.0451700080. The cubic root of 155352422 is about 537.5753456302.

The spelling of 155352422 in words is "one hundred fifty-five million, three hundred fifty-two thousand, four hundred twenty-two".