155225426 has 16 divisors (see below), whose sum is σ = 238864248. Its totient is φ = 75609600.

The previous prime is 155225417. The next prime is 155225479. The reversal of 155225426 is 624522551.

155225426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 146434201 + 8791225 = 12101^2 + 2965^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155225392 and 155225401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107606 + ... + 109038.

Almost surely, 2^155225426 is an apocalyptic number.

155225426 is a deficient number, since it is larger than the sum of its proper divisors (83638822).

155225426 is a wasteful number, since it uses less digits than its factorization.

155225426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797.

The product of its digits is 24000, while the sum is 32.

The square root of 155225426 is about 12458.9496347004. The cubic root of 155225426 is about 537.4288217266.

Adding to 155225426 its reverse (624522551), we get a palindrome (779747977).

The spelling of 155225426 in words is "one hundred fifty-five million, two hundred twenty-five thousand, four hundred twenty-six".