144887346 has 16 divisors (see below), whose sum is σ = 321972000. Its totient is φ = 48295764.

The previous prime is 144887341. The next prime is 144887371. The reversal of 144887346 is 643788441.

It is not an unprimeable number, because it can be changed into a prime (144887341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1341496 + ... + 1341603.

It is an arithmetic number, because the mean of its divisors is an integer number (20123250).

Almost surely, 2^144887346 is an apocalyptic number.

144887346 is an abundant number, since it is smaller than the sum of its proper divisors (177084654).

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

144887346 is a wasteful number, since it uses less digits than its factorization.

144887346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683110 (or 2683104 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 144887346 is about 12036.9159671404. The cubic root of 144887346 is about 525.2226973584. Note that the first 3 decimals are identical.

The spelling of 144887346 in words is "one hundred forty-four million, eight hundred eighty-seven thousand, three hundred forty-six".