158780355 has 8 divisors (see below), whose sum is σ = 254048592. Its totient is φ = 84682848.

The previous prime is 158780333. The next prime is 158780393. The reversal of 158780355 is 553087851.

It is a happy number.

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

It is not a de Polignac number, because 158780355 - 2¹² = 158776259 is a prime.

It is a super-2 number, since 2×158780355² = 50422402267852050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 5292664 + ... + 5292693.

It is an arithmetic number, because the mean of its divisors is an integer number (31756074).

Almost surely, 2^158780355 is an apocalyptic number.

158780355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158780355 is a deficient number, since it is larger than the sum of its proper divisors (95268237).

158780355 is a wasteful number, since it uses less digits than its factorization.

158780355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10585365.

The product of its (nonzero) digits is 168000, while the sum is 42.

The square root of 158780355 is about 12600.8077122064. The cubic root of 158780355 is about 541.5005759277.

The spelling of 158780355 in words is "one hundred fifty-eight million, seven hundred eighty thousand, three hundred fifty-five".