158034420 has 54 divisors (see below), whose sum is σ = 479883222. Its totient is φ = 42097536.

The previous prime is 158034389. The next prime is 158034421. The reversal of 158034420 is 24430851.

It can be written as a sum of positive squares in 3 ways, for example, as 8363664 + 149670756 = 2892^2 + 12234^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158034421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 168192 + ... + 169128.

Almost surely, 2^158034420 is an apocalyptic number.

158034420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158034420 is an abundant number, since it is smaller than the sum of its proper divisors (321848802).

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

158034420 is an equidigital number, since it uses as much as digits as its factorization.

158034420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 158034420 is about 12571.1741695038. The cubic root of 158034420 is about 540.6512718252.

The spelling of 158034420 in words is "one hundred fifty-eight million, thirty-four thousand, four hundred twenty".