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145153033 = 2911174481
BaseRepresentation
bin10001010011011…
…01110000001001
3101010010112112021
420221231300021
5244124344113
622223044441
73411531454
oct1051556011
9333115467
10145153033
1174a31693
1240740721
13240c298c
14153c649b
15cb2348d
hex8a6dc09

145153033 has 8 divisors (see below), whose sum is σ = 150326280. Its totient is φ = 139991040.

The previous prime is 145153009. The next prime is 145153051. The reversal of 145153033 is 330351541.

It can be written as a sum of positive squares in 4 ways, for example, as 10291264 + 134861769 = 3208^2 + 11613^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 145153033 - 225 = 111598601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145152989 and 145153007.

It is not an unprimeable number, because it can be changed into a prime (145153003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30153 + ... + 34633.

It is an arithmetic number, because the mean of its divisors is an integer number (18790785).

Almost surely, 2145153033 is an apocalyptic number.

It is an amenable number.

145153033 is a deficient number, since it is larger than the sum of its proper divisors (5173247).

145153033 is a wasteful number, since it uses less digits than its factorization.

145153033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5627.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 145153033 is about 12047.9472525406. The cubic root of 145153033 is about 525.5435434886.

The spelling of 145153033 in words is "one hundred forty-five million, one hundred fifty-three thousand, thirty-three".

Divisors: 1 29 1117 4481 32393 129949 5005277 145153033