144346890 has 32 divisors (see below), whose sum is σ = 347685696. Its totient is φ = 38353280.

The previous prime is 144346889. The next prime is 144346903. The reversal of 144346890 is 98643441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132 + ... + 16991.

It is an arithmetic number, because the mean of its divisors is an integer number (10865178).

Almost surely, 2^144346890 is an apocalyptic number.

144346890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144346890 is an abundant number, since it is smaller than the sum of its proper divisors (203338806).

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

144346890 is a wasteful number, since it uses less digits than its factorization.

144346890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17414.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 144346890 is about 12014.4450558484. The cubic root of 144346890 is about 524.5688251176.

The spelling of 144346890 in words is "one hundred forty-four million, three hundred forty-six thousand, eight hundred ninety".