158387955 has 16 divisors (see below), whose sum is σ = 276459264. Its totient is φ = 76794080.

The previous prime is 158387953. The next prime is 158387981. The reversal of 158387955 is 559783851.

It is not a de Polignac number, because 158387955 - 2¹ = 158387953 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 158387898 and 158387907.

It is not an unprimeable number, because it can be changed into a prime (158387953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479799 + ... + 480128.

It is an arithmetic number, because the mean of its divisors is an integer number (17278704).

Almost surely, 2^158387955 is an apocalyptic number.

158387955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158387955 is a deficient number, since it is larger than the sum of its proper divisors (118071309).

158387955 is a wasteful number, since it uses less digits than its factorization.

158387955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959946.

The product of its digits is 1512000, while the sum is 51.

The square root of 158387955 is about 12585.2276499076. The cubic root of 158387955 is about 541.0541308845.

The spelling of 158387955 in words is "one hundred fifty-eight million, three hundred eighty-seven thousand, nine hundred fifty-five".