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145404034 = 2149487933
BaseRepresentation
bin10001010101010…
…11000010000010
3101010121021211121
420222223002002
5244210412114
622232302454
73413625316
oct1052530202
9333537747
10145404034
1175093226
1240841a2a
132417ccb9
141544db46
15cb72a24
hex8aab082

145404034 has 8 divisors (see below), whose sum is σ = 219570300. Its totient is φ = 72213936.

The previous prime is 145404031. The next prime is 145404037. The reversal of 145404034 is 430404541.

It is an interprime number because it is at equal distance from previous prime (145404031) and next prime (145404037).

It can be written as a sum of positive squares in 2 ways, for example, as 142730809 + 2673225 = 11947^2 + 1635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1454040343 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (145404031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243669 + ... + 244264.

Almost surely, 2145404034 is an apocalyptic number.

145404034 is a deficient number, since it is larger than the sum of its proper divisors (74166266).

145404034 is a wasteful number, since it uses less digits than its factorization.

145404034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488084.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 145404034 is about 12058.3595069976. The cubic root of 145404034 is about 525.8462952131.

Adding to 145404034 its reverse (430404541), we get a palindrome (575808575).

The spelling of 145404034 in words is "one hundred forty-five million, four hundred four thousand, thirty-four".

Divisors: 1 2 149 298 487933 975866 72702017 145404034