144642466 has 16 divisors (see below), whose sum is σ = 224340480. Its totient is φ = 69870240.

The previous prime is 144642457. The next prime is 144642467. The reversal of 144642466 is 664246441.

It is a super-2 number, since 2×144642466² = 41842885941122312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144642467) 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, 43470 + ... + 46678.

It is an arithmetic number, because the mean of its divisors is an integer number (14021280).

Almost surely, 2^144642466 is an apocalyptic number.

144642466 is a deficient number, since it is larger than the sum of its proper divisors (79698014).

144642466 is a wasteful number, since it uses less digits than its factorization.

144642466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969.

The product of its digits is 110592, while the sum is 37.

The square root of 144642466 is about 12026.7396246863. The cubic root of 144642466 is about 524.9266304121.

The spelling of 144642466 in words is "one hundred forty-four million, six hundred forty-two thousand, four hundred sixty-six".