144861311568274 has 32 divisors (see below), whose sum is σ = 251502061824000. Its totient is φ = 61291478785680.

The previous prime is 144861311568269. The next prime is 144861311568287. The reversal of 144861311568274 is 472865113168441.

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, 4684809 + ... + 17654179.

It is an arithmetic number, because the mean of its divisors is an integer number (7859439432000).

Almost surely, 2^{144861311568274} is an apocalyptic number.

144861311568274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144861311568274 is a deficient number, since it is larger than the sum of its proper divisors (106640750255726).

144861311568274 is a wasteful number, since it uses less digits than its factorization.

144861311568274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12979558.

The product of its digits is 30965760, while the sum is 61.

The spelling of 144861311568274 in words is "one hundred forty-four trillion, eight hundred sixty-one billion, three hundred eleven million, five hundred sixty-eight thousand, two hundred seventy-four".