158493450 has 24 divisors (see below), whose sum is σ = 393064128. Its totient is φ = 42264880.

The previous prime is 158493389. The next prime is 158493451. The reversal of 158493450 is 54394851.

It is a junction number, because it is equal to n+sod(n) for n = 158493399 and 158493408.

It is not an unprimeable number, because it can be changed into a prime (158493451) 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 11 ways as a sum of consecutive naturals, for example, 528162 + ... + 528461.

It is an arithmetic number, because the mean of its divisors is an integer number (16377672).

Almost surely, 2^158493450 is an apocalyptic number.

158493450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158493450 is an abundant number, since it is smaller than the sum of its proper divisors (234570678).

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

158493450 is a wasteful number, since it uses less digits than its factorization.

158493450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056638 (or 1056633 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 158493450 is about 12589.4181755949. The cubic root of 158493450 is about 541.1742280593.

The spelling of 158493450 in words is "one hundred fifty-eight million, four hundred ninety-three thousand, four hundred fifty".