158397270 has 16 divisors (see below), whose sum is σ = 380153520. Its totient is φ = 42239264.

The previous prime is 158397269. The next prime is 158397271. The reversal of 158397270 is 72793851.

It is an interprime number because it is at equal distance from previous prime (158397269) and next prime (158397271).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158397271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2639925 + ... + 2639984.

It is an arithmetic number, because the mean of its divisors is an integer number (23759595).

Almost surely, 2^158397270 is an apocalyptic number.

158397270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158397270 is an abundant number, since it is smaller than the sum of its proper divisors (221756250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158397270 is a wasteful number, since it uses less digits than its factorization.

158397270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279919.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 158397270 is about 12585.5977212050. The cubic root of 158397270 is about 541.0647373737.

The spelling of 158397270 in words is "one hundred fifty-eight million, three hundred ninety-seven thousand, two hundred seventy".