155208453 has 8 divisors (see below), whose sum is σ = 219117888. Its totient is φ = 97385664.

The previous prime is 155208353. The next prime is 155208463. The reversal of 155208453 is 354802551.

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

It is not a de Polignac number, because 155208453 - 2¹⁶ = 155142917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155208463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521601 + ... + 1521702.

It is an arithmetic number, because the mean of its divisors is an integer number (27389736).

Almost surely, 2^155208453 is an apocalyptic number.

It is an amenable number.

155208453 is a deficient number, since it is larger than the sum of its proper divisors (63909435).

155208453 is a wasteful number, since it uses less digits than its factorization.

155208453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043323.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 155208453 is about 12458.2684591399. The cubic root of 155208453 is about 537.4092327711.

The spelling of 155208453 in words is "one hundred fifty-five million, two hundred eight thousand, four hundred fifty-three".