155425495 has 4 divisors (see below), whose sum is σ = 186510600. Its totient is φ = 124340392.

The previous prime is 155425489. The next prime is 155425507. The reversal of 155425495 is 594524551.

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

It is a cyclic number.

It is not a de Polignac number, because 155425495 - 2⁵ = 155425463 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15542545 + ... + 15542554.

It is an arithmetic number, because the mean of its divisors is an integer number (46627650).

Almost surely, 2^155425495 is an apocalyptic number.

155425495 is a deficient number, since it is larger than the sum of its proper divisors (31085105).

155425495 is an equidigital number, since it uses as much as digits as its factorization.

155425495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31085104.

The product of its digits is 180000, while the sum is 40.

The square root of 155425495 is about 12466.9761770848. The cubic root of 155425495 is about 537.6596187200.

The spelling of 155425495 in words is "one hundred fifty-five million, four hundred twenty-five thousand, four hundred ninety-five".