144642470 has 16 divisors (see below), whose sum is σ = 297550368. Its totient is φ = 49591680.

The previous prime is 144642467. The next prime is 144642473. The reversal of 144642470 is 74246441.

It is an interprime number because it is at equal distance from previous prime (144642467) and next prime (144642473).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144642473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033091 + ... + 1033230.

It is an arithmetic number, because the mean of its divisors is an integer number (18596898).

Almost surely, 2^144642470 is an apocalyptic number.

144642470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144642470 is an abundant number, since it is smaller than the sum of its proper divisors (152907898).

144642470 is a wasteful number, since it uses less digits than its factorization.

144642470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066335.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 144642470 is about 12026.7397909824. The cubic root of 144642470 is about 524.9266352510.

The spelling of 144642470 in words is "one hundred forty-four million, six hundred forty-two thousand, four hundred seventy".