158451427 has 4 divisors (see below), whose sum is σ = 162733936. Its totient is φ = 154168920.

The previous prime is 158451421. The next prime is 158451467. The reversal of 158451427 is 724154851.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 158451427 - 2⁷ = 158451299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 4282471 = 158451427 / (1 + 5 + 8 + 4 + 5 + 1 + 4 + 2 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158451421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2141199 + ... + 2141272.

It is an arithmetic number, because the mean of its divisors is an integer number (40683484).

Almost surely, 2^158451427 is an apocalyptic number.

158451427 is a deficient number, since it is larger than the sum of its proper divisors (4282509).

158451427 is an equidigital number, since it uses as much as digits as its factorization.

158451427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282508.

The product of its digits is 44800, while the sum is 37.

The square root of 158451427 is about 12587.7490839308. The cubic root of 158451427 is about 541.1263948002.

The spelling of 158451427 in words is "one hundred fifty-eight million, four hundred fifty-one thousand, four hundred twenty-seven".