146326442 has 4 divisors (see below), whose sum is σ = 219489666. Its totient is φ = 73163220.

The previous prime is 146326421. The next prime is 146326451. The reversal of 146326442 is 244623641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244623641 = 223 ⋅1096967.

It can be written as a sum of positive squares in only one way, i.e., 143017681 + 3308761 = 11959^2 + 1819^2 .

It is a super-2 number, since 2×146326442² = 42822855256758728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146326399 and 146326408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36581609 + ... + 36581612.

Almost surely, 2^146326442 is an apocalyptic number.

146326442 is a deficient number, since it is larger than the sum of its proper divisors (73163224).

146326442 is an equidigital number, since it uses as much as digits as its factorization.

146326442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73163223.

The product of its digits is 27648, while the sum is 32.

The square root of 146326442 is about 12096.5466973017. The cubic root of 146326442 is about 526.9558993662.

The spelling of 146326442 in words is "one hundred forty-six million, three hundred twenty-six thousand, four hundred forty-two".