146252642 has 4 divisors (see below), whose sum is σ = 219378966. Its totient is φ = 73126320.

The previous prime is 146252641. The next prime is 146252647. The reversal of 146252642 is 246252641.

146252642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246252641 = 15077 ⋅16333.

It can be written as a sum of positive squares in only one way, i.e., 125193721 + 21058921 = 11189^2 + 4589^2 .

It is a junction number, because it is equal to n+sod(n) for n = 146252599 and 146252608.

It is not an unprimeable number, because it can be changed into a prime (146252641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36563159 + ... + 36563162.

Almost surely, 2^146252642 is an apocalyptic number.

146252642 is a deficient number, since it is larger than the sum of its proper divisors (73126324).

146252642 is an equidigital number, since it uses as much as digits as its factorization.

146252642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73126323.

The product of its digits is 23040, while the sum is 32.

The square root of 146252642 is about 12093.4958552108. The cubic root of 146252642 is about 526.8672940883.

Subtracting 146252642 from its reverse (246252641), we obtain a palindrome (99999999).

The spelling of 146252642 in words is "one hundred forty-six million, two hundred fifty-two thousand, six hundred forty-two".