144245770 has 16 divisors (see below), whose sum is σ = 261364608. Its totient is φ = 57315600.

The previous prime is 144245767. The next prime is 144245809. The reversal of 144245770 is 77542441.

It is a happy 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, 46254 + ... + 49273.

It is an arithmetic number, because the mean of its divisors is an integer number (16335288).

Almost surely, 2^144245770 is an apocalyptic number.

144245770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144245770 is a deficient number, since it is larger than the sum of its proper divisors (117118838).

144245770 is a wasteful number, since it uses less digits than its factorization.

144245770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95685.

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 144245770 is about 12010.2360509692. The cubic root of 144245770 is about 524.4463036212.

The spelling of 144245770 in words is "one hundred forty-four million, two hundred forty-five thousand, seven hundred seventy".