158219955 has 24 divisors (see below), whose sum is σ = 281662992. Its totient is φ = 82102464.

The previous prime is 158219951. The next prime is 158219977. The reversal of 158219955 is 559912851.

158219955 is a `hidden beast` number, since 1 + 582 + 19 + 9 + 55 = 666.

It is not a de Polignac number, because 158219955 - 2² = 158219951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 158219955.

It is not an unprimeable number, because it can be changed into a prime (158219951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45849 + ... + 49178.

It is an arithmetic number, because the mean of its divisors is an integer number (11735958).

Almost surely, 2^158219955 is an apocalyptic number.

158219955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158219955 is a deficient number, since it is larger than the sum of its proper divisors (123443037).

158219955 is a wasteful number, since it uses less digits than its factorization.

158219955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95075 (or 95072 counting only the distinct ones).

The product of its digits is 162000, while the sum is 45.

The square root of 158219955 is about 12578.5513871829. The cubic root of 158219955 is about 540.8627668995.

The spelling of 158219955 in words is "one hundred fifty-eight million, two hundred nineteen thousand, nine hundred fifty-five".