158429450 has 24 divisors (see below), whose sum is σ = 297549408. Its totient is φ = 62754480.

The previous prime is 158429431. The next prime is 158429459. The reversal of 158429450 is 54924851.

It is not an unprimeable number, because it can be changed into a prime (158429459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10232 + ... + 20531.

It is an arithmetic number, because the mean of its divisors is an integer number (12397892).

Almost surely, 2^158429450 is an apocalyptic number.

158429450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158429450 is a deficient number, since it is larger than the sum of its proper divisors (139119958).

158429450 is a wasteful number, since it uses less digits than its factorization.

158429450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30878 (or 30873 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 158429450 is about 12586.8761017180. The cubic root of 158429450 is about 541.1013758088.

The spelling of 158429450 in words is "one hundred fifty-eight million, four hundred twenty-nine thousand, four hundred fifty".