155456353 has 4 divisors (see below), whose sum is σ = 167414548. Its totient is φ = 143498160.

The previous prime is 155456321. The next prime is 155456369. The reversal of 155456353 is 353654551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353654551 = 193 ⋅1832407.

It can be written as a sum of positive squares in 2 ways, for example, as 22353984 + 133102369 = 4728^2 + 11537^2 .

It is not a de Polignac number, because 155456353 - 2⁵ = 155456321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155456303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5979078 + ... + 5979103.

It is an arithmetic number, because the mean of its divisors is an integer number (41853637).

Almost surely, 2^155456353 is an apocalyptic number.

155456353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155456353 is a deficient number, since it is larger than the sum of its proper divisors (11958195).

155456353 is a wasteful number, since it uses less digits than its factorization.

155456353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11958194.

The product of its digits is 135000, while the sum is 37.

The square root of 155456353 is about 12468.2137052587. The cubic root of 155456353 is about 537.6951984740.

The spelling of 155456353 in words is "one hundred fifty-five million, four hundred fifty-six thousand, three hundred fifty-three".