146424642 has 96 divisors (see below), whose sum is σ = 370684800. Its totient is φ = 38525760.

The previous prime is 146424623. The next prime is 146424643. The reversal of 146424642 is 246424641.

It is not an unprimeable number, because it can be changed into a prime (146424643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 347592 + ... + 348012.

It is an arithmetic number, because the mean of its divisors is an integer number (3861300).

Almost surely, 2^146424642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146424642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185342400).

146424642 is an abundant number, since it is smaller than the sum of its proper divisors (224260158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146424642 is a wasteful number, since it uses less digits than its factorization.

146424642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 446 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

The square root of 146424642 is about 12100.6050261960. The cubic root of 146424642 is about 527.0737534307.

Subtracting 146424642 from its reverse (246424641), we obtain a palindrome (99999999).

It can be divided in two parts, 1464 and 24642, that added together give a triangular number (26106 = T₂₂₈).

The spelling of 146424642 in words is "one hundred forty-six million, four hundred twenty-four thousand, six hundred forty-two".