146056642 has 4 divisors (see below), whose sum is σ = 219084966. Its totient is φ = 73028320.

The previous prime is 146056633. The next prime is 146056643. The reversal of 146056642 is 246650641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246650641 = 593 ⋅415937.

It can be written as a sum of positive squares in only one way, i.e., 78340201 + 67716441 = 8851^2 + 8229^2 .

It is a junction number, because it is equal to n+sod(n) for n = 146056598 and 146056607.

It is not an unprimeable number, because it can be changed into a prime (146056643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36514159 + ... + 36514162.

Almost surely, 2^146056642 is an apocalyptic number.

146056642 is a deficient number, since it is larger than the sum of its proper divisors (73028324).

146056642 is an equidigital number, since it uses as much as digits as its factorization.

146056642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73028323.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 146056642 is about 12085.3896089452. The cubic root of 146056642 is about 526.6318290439.

The spelling of 146056642 in words is "one hundred forty-six million, fifty-six thousand, six hundred forty-two".