144628494 has 32 divisors (see below), whose sum is σ = 310970880. Its totient is φ = 44698752.

The previous prime is 144628493. The next prime is 144628501. The reversal of 144628494 is 494826441.

It is a super-3 number, since 3×144628494³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144628493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8139 + ... + 18854.

It is an arithmetic number, because the mean of its divisors is an integer number (9717840).

Almost surely, 2^144628494 is an apocalyptic number.

144628494 is an abundant number, since it is smaller than the sum of its proper divisors (166342386).

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

144628494 is a wasteful number, since it uses less digits than its factorization.

144628494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27064.

The product of its digits is 221184, while the sum is 42.

The square root of 144628494 is about 12026.1587383503. The cubic root of 144628494 is about 524.9097277895.

The spelling of 144628494 in words is "one hundred forty-four million, six hundred twenty-eight thousand, four hundred ninety-four".