144650122 has 4 divisors (see below), whose sum is σ = 216975186. Its totient is φ = 72325060.

The previous prime is 144650087. The next prime is 144650141. The reversal of 144650122 is 221056441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221056441 = 71 ⋅3113471.

It can be written as a sum of positive squares in only one way, i.e., 115154361 + 29495761 = 10731^2 + 5431^2 .

It is a super-2 number, since 2×144650122² = 41847315589229768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36162529 + ... + 36162532.

Almost surely, 2^144650122 is an apocalyptic number.

144650122 is a deficient number, since it is larger than the sum of its proper divisors (72325064).

144650122 is an equidigital number, since it uses as much as digits as its factorization.

144650122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72325063.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 144650122 is about 12027.0579112267. The cubic root of 144650122 is about 524.9358917941.

The spelling of 144650122 in words is "one hundred forty-four million, six hundred fifty thousand, one hundred twenty-two".