158630397 has 16 divisors (see below), whose sum is σ = 216921408. Its totient is φ = 103057920.

The previous prime is 158630371. The next prime is 158630399. The reversal of 158630397 is 793036851.

It is not a de Polignac number, because 158630397 - 2¹⁴ = 158614013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158630399) 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, 68653 + ... + 70925.

It is an arithmetic number, because the mean of its divisors is an integer number (13557588).

Almost surely, 2^158630397 is an apocalyptic number.

It is an amenable number.

158630397 is a deficient number, since it is larger than the sum of its proper divisors (58291011).

158630397 is a wasteful number, since it uses less digits than its factorization.

158630397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 158630397 is about 12594.8559737696. The cubic root of 158630397 is about 541.3300512213.

The spelling of 158630397 in words is "one hundred fifty-eight million, six hundred thirty thousand, three hundred ninety-seven".