155343425 has 6 divisors (see below), whose sum is σ = 192625878. Its totient is φ = 124274720.

The previous prime is 155343407. The next prime is 155343439. The reversal of 155343425 is 524343551.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2598544 + 152744881 = 1612^2 + 12359^2 .

It is not a de Polignac number, because 155343425 - 2¹⁸ = 155081281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155343391 and 155343400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3106844 + ... + 3106893.

It is an arithmetic number, because the mean of its divisors is an integer number (32104313).

Almost surely, 2^155343425 is an apocalyptic number.

It is an amenable number.

155343425 is a deficient number, since it is larger than the sum of its proper divisors (37282453).

155343425 is an equidigital number, since it uses as much as digits as its factorization.

155343425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213747 (or 6213742 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 155343425 is about 12463.6842466423. The cubic root of 155343425 is about 537.5649678095.

Adding to 155343425 its reverse (524343551), we get a palindrome (679686976).

The spelling of 155343425 in words is "one hundred fifty-five million, three hundred forty-three thousand, four hundred twenty-five".