144974450 has 12 divisors (see below), whose sum is σ = 269652570. Its totient is φ = 57989760.

The previous prime is 144974449. The next prime is 144974477. The reversal of 144974450 is 54479441.

It can be written as a sum of positive squares in 3 ways, for example, as 56445169 + 88529281 = 7513^2 + 9409^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1449695 + ... + 1449794.

Almost surely, 2^144974450 is an apocalyptic number.

144974450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144974450 is a deficient number, since it is larger than the sum of its proper divisors (124678120).

144974450 is a wasteful number, since it uses less digits than its factorization.

144974450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899501 (or 2899496 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 144974450 is about 12040.5336260483. The cubic root of 144974450 is about 525.3279281562.

The spelling of 144974450 in words is "one hundred forty-four million, nine hundred seventy-four thousand, four hundred fifty".