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145741426 = 272870713
BaseRepresentation
bin10001010111111…
…01011001110010
3101011020102122121
420223331121302
5244302211201
622243424454
73416532055
oct1053753162
9334212577
10145741426
11752a3766
124098512a
132426a73c
14154daa9c
15cbdc9a1
hex8afd672

145741426 has 4 divisors (see below), whose sum is σ = 218612142. Its totient is φ = 72870712.

The previous prime is 145741417. The next prime is 145741451. The reversal of 145741426 is 624147541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624147541 = 2921522329.

It can be written as a sum of positive squares in only one way, i.e., 101505625 + 44235801 = 10075^2 + 6651^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145741391 and 145741400.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36435355 + ... + 36435358.

Almost surely, 2145741426 is an apocalyptic number.

145741426 is a deficient number, since it is larger than the sum of its proper divisors (72870716).

145741426 is an equidigital number, since it uses as much as digits as its factorization.

145741426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72870715.

The product of its digits is 26880, while the sum is 34.

The square root of 145741426 is about 12072.3413636295. The cubic root of 145741426 is about 526.2527013739.

Adding to 145741426 its reverse (624147541), we get a palindrome (769888967).

The spelling of 145741426 in words is "one hundred forty-five million, seven hundred forty-one thousand, four hundred twenty-six".

Divisors: 1 2 72870713 145741426