144977616 has 60 divisors (see below), whose sum is σ = 463701472. Its totient is φ = 41421888.

The previous prime is 144977611. The next prime is 144977621. The reversal of 144977616 is 616779441.

It is an interprime number because it is at equal distance from previous prime (144977611) and next prime (144977621).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144977611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70906 + ... + 72921.

Almost surely, 2^144977616 is an apocalyptic number.

144977616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144977616 is an abundant number, since it is smaller than the sum of its proper divisors (318723856).

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

144977616 is a wasteful number, since it uses less digits than its factorization.

144977616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143848 (or 143839 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 144977616 is about 12040.6650979088. The cubic root of 144977616 is about 525.3317522234.

The spelling of 144977616 in words is "one hundred forty-four million, nine hundred seventy-seven thousand, six hundred sixteen".