144933830 has 16 divisors (see below), whose sum is σ = 263813760. Its totient is φ = 57321792.

The previous prime is 144933829. The next prime is 144933883. The reversal of 144933830 is 38339441.

It is a super-3 number, since 3×144933830³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80534 + ... + 82313.

It is an arithmetic number, because the mean of its divisors is an integer number (16488360).

Almost surely, 2^144933830 is an apocalyptic number.

144933830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144933830 is a deficient number, since it is larger than the sum of its proper divisors (118879930).

144933830 is a wasteful number, since it uses less digits than its factorization.

144933830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162943.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 144933830 is about 12038.8467055611. The cubic root of 144933830 is about 525.2788601682.

The spelling of 144933830 in words is "one hundred forty-four million, nine hundred thirty-three thousand, eight hundred thirty".