144620994 has 32 divisors (see below), whose sum is σ = 336804480. Its totient is φ = 40540032.

The previous prime is 144620969. The next prime is 144621007. The reversal of 144620994 is 499026441.

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, 30259 + ... + 34710.

It is an arithmetic number, because the mean of its divisors is an integer number (10525140).

Almost surely, 2^144620994 is an apocalyptic number.

144620994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144620994 is an abundant number, since it is smaller than the sum of its proper divisors (192183486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144620994 is a wasteful number, since it uses less digits than its factorization.

144620994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65034.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 144620994 is about 12025.8469140431. The cubic root of 144620994 is about 524.9006542179.

The spelling of 144620994 in words is "one hundred forty-four million, six hundred twenty thousand, nine hundred ninety-four".