158780455 has 8 divisors (see below), whose sum is σ = 191216304. Its totient is φ = 126571200.

The previous prime is 158780449. The next prime is 158780471. The reversal of 158780455 is 554087851.

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

It is not a de Polignac number, because 158780455 - 2¹⁷ = 158649383 is a prime.

It is a super-2 number, since 2×158780455² = 50422465780014050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 55101 + ... + 57910.

It is an arithmetic number, because the mean of its divisors is an integer number (23902038).

Almost surely, 2^158780455 is an apocalyptic number.

158780455 is a deficient number, since it is larger than the sum of its proper divisors (32435849).

158780455 is a wasteful number, since it uses less digits than its factorization.

158780455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113297.

The product of its (nonzero) digits is 224000, while the sum is 43.

The square root of 158780455 is about 12600.8116802054. The cubic root of 158780455 is about 541.5006896069.

The spelling of 158780455 in words is "one hundred fifty-eight million, seven hundred eighty thousand, four hundred fifty-five".