146450442 has 32 divisors (see below), whose sum is σ = 315846720. Its totient is φ = 45118080.

The previous prime is 146450441. The next prime is 146450443. The reversal of 146450442 is 244054641.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (146450441) and next prime (146450443).

It is not an unprimeable number, because it can be changed into a prime (146450441) 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 15 ways as a sum of consecutive naturals, for example, 10993 + ... + 20340.

It is an arithmetic number, because the mean of its divisors is an integer number (9870210).

Almost surely, 2^146450442 is an apocalyptic number.

146450442 is an abundant number, since it is smaller than the sum of its proper divisors (169396278).

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

146450442 is a wasteful number, since it uses less digits than its factorization.

146450442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31398.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 146450442 is about 12101.6710416372. The cubic root of 146450442 is about 527.1047083848.

The spelling of 146450442 in words is "one hundred forty-six million, four hundred fifty thousand, four hundred forty-two".