144957490 has 32 divisors (see below), whose sum is σ = 268918704. Its totient is φ = 56217600.

The previous prime is 144957473. The next prime is 144957493. The reversal of 144957490 is 94759441.

It can be written as a sum of positive squares in 8 ways, for example, as 144889369 + 68121 = 12037^2 + 261^2 .

It is a super-6 number, since 6×144957490⁶ (a number of 50 digits) contains 666666 as substring.

It is not an unprimeable number, because it can be changed into a prime (144957493) 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 15 ways as a sum of consecutive naturals, for example, 147882 + ... + 148858.

Almost surely, 2^144957490 is an apocalyptic number.

144957490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144957490 is a deficient number, since it is larger than the sum of its proper divisors (123961214).

144957490 is a wasteful number, since it uses less digits than its factorization.

144957490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 144957490 is about 12039.8293177271. The cubic root of 144957490 is about 525.3074419967.

The spelling of 144957490 in words is "one hundred forty-four million, nine hundred fifty-seven thousand, four hundred ninety".