158642354 has 16 divisors (see below), whose sum is σ = 265106520. Its totient is φ = 70694400.

The previous prime is 158642279. The next prime is 158642357. The reversal of 158642354 is 453246851.

It can be written as a sum of positive squares in 4 ways, for example, as 111788329 + 46854025 = 10573^2 + 6845^2 .

It is a super-2 number, since 2×158642354² = 50334792965322632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158642357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104447 + ... + 105954.

Almost surely, 2^158642354 is an apocalyptic number.

158642354 is a deficient number, since it is larger than the sum of its proper divisors (106464166).

158642354 is a wasteful number, since it uses less digits than its factorization.

158642354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210445.

The product of its digits is 115200, while the sum is 38.

The square root of 158642354 is about 12595.3306427422. The cubic root of 158642354 is about 541.3436520631.

The spelling of 158642354 in words is "one hundred fifty-eight million, six hundred forty-two thousand, three hundred fifty-four".