144749705 has 16 divisors (see below), whose sum is σ = 176663424. Its totient is φ = 113840640.

The previous prime is 144749687. The next prime is 144749749. The reversal of 144749705 is 507947441.

It is not a de Polignac number, because 144749705 - 2⁶ = 144749641 is a prime.

It is a Duffinian 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, 78140 + ... + 79970.

It is an arithmetic number, because the mean of its divisors is an integer number (11041464).

Almost surely, 2^144749705 is an apocalyptic number.

It is an amenable number.

144749705 is a deficient number, since it is larger than the sum of its proper divisors (31913719).

144749705 is a wasteful number, since it uses less digits than its factorization.

144749705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 144749705 is about 12031.1971557281. The cubic root of 144749705 is about 525.0563265341.

The spelling of 144749705 in words is "one hundred forty-four million, seven hundred forty-nine thousand, seven hundred five".