158381450 has 24 divisors (see below), whose sum is σ = 307399968. Its totient is φ = 60597680.

The previous prime is 158381417. The next prime is 158381467. The reversal of 158381450 is 54183851.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 158381450.

It is an unprimeable number.

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, 67712 + ... + 70011.

It is an arithmetic number, because the mean of its divisors is an integer number (12808332).

Almost surely, 2^158381450 is an apocalyptic number.

158381450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158381450 is a deficient number, since it is larger than the sum of its proper divisors (149018518).

158381450 is a wasteful number, since it uses less digits than its factorization.

158381450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137758 (or 137753 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 158381450 is about 12584.9692093386. The cubic root of 158381450 is about 541.0467237444.

The spelling of 158381450 in words is "one hundred fifty-eight million, three hundred eighty-one thousand, four hundred fifty".