144371434 has 4 divisors (see below), whose sum is σ = 216557154. Its totient is φ = 72185716.

The previous prime is 144371413. The next prime is 144371453. The reversal of 144371434 is 434173441.

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: 434173441 = 13 ⋅33397957.

It can be written as a sum of positive squares in only one way, i.e., 140351409 + 4020025 = 11847^2 + 2005^2 .

It is a super-2 number, since 2×144371434² = 41686221910432712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144371396 and 144371405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36092857 + ... + 36092860.

Almost surely, 2^144371434 is an apocalyptic number.

144371434 is a deficient number, since it is larger than the sum of its proper divisors (72185720).

144371434 is an equidigital number, since it uses as much as digits as its factorization.

144371434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72185719.

The product of its digits is 16128, while the sum is 31.

The square root of 144371434 is about 12015.4664495391. The cubic root of 144371434 is about 524.5985550909.

The spelling of 144371434 in words is "one hundred forty-four million, three hundred seventy-one thousand, four hundred thirty-four".