146072842 has 4 divisors (see below), whose sum is σ = 219109266. Its totient is φ = 73036420.

The previous prime is 146072827. The next prime is 146072863. The reversal of 146072842 is 248270641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248270641 = 181 ⋅1371661.

It can be written as a sum of positive squares in only one way, i.e., 132227001 + 13845841 = 11499^2 + 3721^2 .

It is a junction number, because it is equal to n+sod(n) for n = 146072798 and 146072807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36518209 + ... + 36518212.

Almost surely, 2^146072842 is an apocalyptic number.

146072842 is a deficient number, since it is larger than the sum of its proper divisors (73036424).

146072842 is an equidigital number, since it uses as much as digits as its factorization.

146072842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73036423.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 146072842 is about 12086.0598211328. The cubic root of 146072842 is about 526.6512989338.

The spelling of 146072842 in words is "one hundred forty-six million, seventy-two thousand, eight hundred forty-two".