144747492 has 24 divisors (see below), whose sum is σ = 339152352. Its totient is φ = 48048000.

The previous prime is 144747481. The next prime is 144747517. The reversal of 144747492 is 294747441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22134 + ... + 27917.

It is an arithmetic number, because the mean of its divisors is an integer number (14131348).

Almost surely, 2^144747492 is an apocalyptic number.

144747492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144747492 is an abundant number, since it is smaller than the sum of its proper divisors (194404860).

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

144747492 is a wasteful number, since it uses less digits than its factorization.

144747492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50299 (or 50297 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 144747492 is about 12031.1051861415. The cubic root of 144747492 is about 525.0536507530.

The spelling of 144747492 in words is "one hundred forty-four million, seven hundred forty-seven thousand, four hundred ninety-two".