155415355 has 8 divisors (see below), whose sum is σ = 191539152. Its totient is φ = 120971808.

The previous prime is 155415349. The next prime is 155415367. The reversal of 155415355 is 553514551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155415355 - 2¹⁹ = 154891067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155415355.

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, 419857 + ... + 420226.

It is an arithmetic number, because the mean of its divisors is an integer number (23942394).

Almost surely, 2^155415355 is an apocalyptic number.

155415355 is a deficient number, since it is larger than the sum of its proper divisors (36123797).

155415355 is an equidigital number, since it uses as much as digits as its factorization.

155415355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840125.

The product of its digits is 37500, while the sum is 34.

The square root of 155415355 is about 12466.5694960562. The cubic root of 155415355 is about 537.6479261142.

The spelling of 155415355 in words is "one hundred fifty-five million, four hundred fifteen thousand, three hundred fifty-five".