146442790 has 16 divisors (see below), whose sum is σ = 283873968. Its totient is φ = 54071136.

The previous prime is 146442787. The next prime is 146442797. The reversal of 146442790 is 97244641.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146442797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563112 + ... + 563371.

It is an arithmetic number, because the mean of its divisors is an integer number (17742123).

Almost surely, 2^146442790 is an apocalyptic number.

146442790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146442790 is a deficient number, since it is larger than the sum of its proper divisors (137431178).

146442790 is a wasteful number, since it uses less digits than its factorization.

146442790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126503.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 146442790 is about 12101.3548828220. The cubic root of 146442790 is about 527.0955278606.

The spelling of 146442790 in words is "one hundred forty-six million, four hundred forty-two thousand, seven hundred ninety".