158451428 has 6 divisors (see below), whose sum is σ = 277290006. Its totient is φ = 79225712.

The previous prime is 158451421. The next prime is 158451467. The reversal of 158451428 is 824154851.

158451428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 120604324 + 37847104 = 10982^2 + 6152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 158451391 and 158451400.

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 as a sum of consecutive naturals, namely, 19806425 + ... + 19806432.

It is an arithmetic number, because the mean of its divisors is an integer number (46215001).

Almost surely, 2^158451428 is an apocalyptic number.

It is an amenable number.

158451428 is a deficient number, since it is larger than the sum of its proper divisors (118838578).

158451428 is a wasteful number, since it uses less digits than its factorization.

158451428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39612861 (or 39612859 counting only the distinct ones).

The product of its digits is 51200, while the sum is 38.

The square root of 158451428 is about 12587.7491236519. The cubic root of 158451428 is about 541.1263959385.

The spelling of 158451428 in words is "one hundred fifty-eight million, four hundred fifty-one thousand, four hundred twenty-eight".